390554136 has 160 divisors (see below), whose sum is σ = 1293732000. Its totient is φ = 107702784.

The previous prime is 390554123. The next prime is 390554137. The reversal of 390554136 is 631455093.

390554136 is a `hidden beast` number, since 3 + 90 + 554 + 13 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 390554136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390554137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 130060 + ... + 133028.

It is an arithmetic number, because the mean of its divisors is an integer number (8085825).

Almost surely, 2^390554136 is an apocalyptic number.

390554136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390554136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646866000).

390554136 is an abundant number, since it is smaller than the sum of its proper divisors (903177864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390554136 is a wasteful number, since it uses less digits than its factorization.

390554136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023 (or 3010 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 390554136 is about 19762.4425615864. The cubic root of 390554136 is about 730.9602275934.

The spelling of 390554136 in words is "three hundred ninety million, five hundred fifty-four thousand, one hundred thirty-six".