396790079 has 8 divisors (see below), whose sum is σ = 453616800. Its totient is φ = 339998976.

The previous prime is 396790021. The next prime is 396790153. The reversal of 396790079 is 970097693.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396790079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396790019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22247 + ... + 35895.

It is an arithmetic number, because the mean of its divisors is an integer number (56702100).

Almost surely, 2^396790079 is an apocalyptic number.

396790079 is a deficient number, since it is larger than the sum of its proper divisors (56826721).

396790079 is a wasteful number, since it uses less digits than its factorization.

396790079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17809.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 396790079 is about 19919.5903321328. The cubic root of 396790079 is about 734.8300957022.

The spelling of 396790079 in words is "three hundred ninety-six million, seven hundred ninety thousand, seventy-nine".