390764071 has 8 divisors (see below), whose sum is σ = 407849904. Its totient is φ = 374038080.

The previous prime is 390764069. The next prime is 390764081. The reversal of 390764071 is 170467093.

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

It is not a de Polignac number, because 390764071 - 2¹ = 390764069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 390764071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390764081) 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, 87741 + ... + 92086.

It is an arithmetic number, because the mean of its divisors is an integer number (50981238).

Almost surely, 2^390764071 is an apocalyptic number.

390764071 is a deficient number, since it is larger than the sum of its proper divisors (17085833).

390764071 is a wasteful number, since it uses less digits than its factorization.

390764071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179921.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 390764071 is about 19767.7533118966. The cubic root of 390764071 is about 731.0911754219.

The spelling of 390764071 in words is "three hundred ninety million, seven hundred sixty-four thousand, seventy-one".