390797310 has 16 divisors (see below), whose sum is σ = 937913616. Its totient is φ = 104212608.

The previous prime is 390797261. The next prime is 390797317. The reversal of 390797310 is 13797093.

It is a super-2 number, since 2×390797310² = 305445075006472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390797317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6513259 + ... + 6513318.

It is an arithmetic number, because the mean of its divisors is an integer number (58619601).

Almost surely, 2^390797310 is an apocalyptic number.

390797310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

390797310 is an abundant number, since it is smaller than the sum of its proper divisors (547116306).

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

390797310 is a wasteful number, since it uses less digits than its factorization.

390797310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13026587.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 390797310 is about 19768.5940319488. The cubic root of 390797310 is about 731.1119040853. Note that the first 3 decimals are identical.

The spelling of 390797310 in words is "three hundred ninety million, seven hundred ninety-seven thousand, three hundred ten".