390745152 has 84 divisors (see below), whose sum is σ = 1280013696. Its totient is φ = 111640320.

The previous prime is 390745151. The next prime is 390745177. The reversal of 390745152 is 251547093.

It is a tau number, because it is divible by the number of its divisors (84).

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

It is not an unprimeable number, because it can be changed into a prime (390745151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44424 + ... + 52487.

Almost surely, 2^390745152 is an apocalyptic number.

390745152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

390745152 is an abundant number, since it is smaller than the sum of its proper divisors (889268544).

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

390745152 is a wasteful number, since it uses less digits than its factorization.

390745152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96936 (or 96923 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 390745152 is about 19767.2747742323. The cubic root of 390745152 is about 731.0793765402.

The spelling of 390745152 in words is "three hundred ninety million, seven hundred forty-five thousand, one hundred fifty-two".