390552800 has 72 divisors (see below), whose sum is σ = 1040136552. Its totient is φ = 142016000.

The previous prime is 390552793. The next prime is 390552803. The reversal of 390552800 is 8255093.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390552803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13391 + ... + 30990.

It is an arithmetic number, because the mean of its divisors is an integer number (14446341).

Almost surely, 2^390552800 is an apocalyptic number.

It is an amenable number.

390552800 is an abundant number, since it is smaller than the sum of its proper divisors (649583752).

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

390552800 is a wasteful number, since it uses less digits than its factorization.

390552800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44412 (or 44399 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 390552800 is about 19762.4087600677. The cubic root of 390552800 is about 730.9593941076.

The spelling of 390552800 in words is "three hundred ninety million, five hundred fifty-two thousand, eight hundred".