390963328 has 32 divisors (see below), whose sum is σ = 890141760. Its totient is φ = 167555328.

The previous prime is 390963319. The next prime is 390963329. The reversal of 390963328 is 823369093.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (390963329) 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 3 ways as a sum of consecutive naturals, for example, 217276 + ... + 219067.

It is an arithmetic number, because the mean of its divisors is an integer number (27816930).

Almost surely, 2^390963328 is an apocalyptic number.

It is an amenable number.

390963328 is an abundant number, since it is smaller than the sum of its proper divisors (499178432).

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

390963328 is an equidigital number, since it uses as much as digits as its factorization.

390963328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436364 (or 436352 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 390963328 is about 19772.7926201637. The cubic root of 390963328 is about 731.2154194279.

It can be divided in two parts, 39096 and 3328, that added together give a palindrome (42424).

The spelling of 390963328 in words is "three hundred ninety million, nine hundred sixty-three thousand, three hundred twenty-eight".