390356697 has 8 divisors (see below), whose sum is σ = 534542656. Its totient is φ = 253204272.

The previous prime is 390356677. The next prime is 390356711. The reversal of 390356697 is 796653093.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 390356697 - 2⁷ = 390356569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390356627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758253 + ... + 1758474.

It is an arithmetic number, because the mean of its divisors is an integer number (66817832).

Almost surely, 2^390356697 is an apocalyptic number.

390356697 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

390356697 is a deficient number, since it is larger than the sum of its proper divisors (144185959).

390356697 is a wasteful number, since it uses less digits than its factorization.

390356697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516767.

The product of its (nonzero) digits is 918540, while the sum is 48.

The square root of 390356697 is about 19757.4466214640. The cubic root of 390356697 is about 730.8370313708.

The spelling of 390356697 in words is "three hundred ninety million, three hundred fifty-six thousand, six hundred ninety-seven".