396807807 has 16 divisors (see below), whose sum is σ = 580174848. Its totient is φ = 239239680.

The previous prime is 396807769. The next prime is 396807821. The reversal of 396807807 is 708708693.

It is not a de Polignac number, because 396807807 - 2¹⁰ = 396806783 is a prime.

It is a super-2 number, since 2×396807807² = 314912871392298498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396807877) 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, 24783 + ... + 37520.

It is an arithmetic number, because the mean of its divisors is an integer number (36260928).

Almost surely, 2^396807807 is an apocalyptic number.

396807807 is a deficient number, since it is larger than the sum of its proper divisors (183367041).

396807807 is a wasteful number, since it uses less digits than its factorization.

396807807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62510.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 396807807 is about 19920.0353162338. The cubic root of 396807807 is about 734.8410392503.

The spelling of 396807807 in words is "three hundred ninety-six million, eight hundred seven thousand, eight hundred seven".