390533312 has 42 divisors (see below), whose sum is σ = 839186028. Its totient is φ = 180241152.

The previous prime is 390533303. The next prime is 390533317. The reversal of 390533312 is 213335093.

It is not an unprimeable number, because it can be changed into a prime (390533317) 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 5 ways as a sum of consecutive naturals, for example, 7238 + ... + 28869.

Almost surely, 2^390533312 is an apocalyptic number.

390533312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

390533312 is an abundant number, since it is smaller than the sum of its proper divisors (448652716).

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

390533312 is a wasteful number, since it uses less digits than its factorization.

390533312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36145 (or 36122 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 29.

The square root of 390533312 is about 19761.9156966120. The cubic root of 390533312 is about 730.9472359789.

The spelling of 390533312 in words is "three hundred ninety million, five hundred thirty-three thousand, three hundred twelve".