396879835 has 16 divisors (see below), whose sum is σ = 542142720. Its totient is φ = 276089440.

The previous prime is 396879823. The next prime is 396879839. The reversal of 396879835 is 538978693.

It is not a de Polignac number, because 396879835 - 2⁹ = 396879323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396879835.

It is not an unprimeable number, because it can be changed into a prime (396879839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155605 + ... + 158134.

It is an arithmetic number, because the mean of its divisors is an integer number (33883920).

Almost surely, 2^396879835 is an apocalyptic number.

396879835 is a deficient number, since it is larger than the sum of its proper divisors (145262885).

396879835 is a wasteful number, since it uses less digits than its factorization.

396879835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313778.

The product of its digits is 9797760, while the sum is 58.

The square root of 396879835 is about 19921.8431627197. The cubic root of 396879835 is about 734.8854990007.

The spelling of 396879835 in words is "three hundred ninety-six million, eight hundred seventy-nine thousand, eight hundred thirty-five".