400596806 has 16 divisors (see below), whose sum is σ = 638291664. Its totient is φ = 187908864.

The previous prime is 400596797. The next prime is 400596811. The reversal of 400596806 is 608695004.

It is a self number, because there is not a number n which added to its sum of digits gives 400596806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8180 + ... + 29463.

It is an arithmetic number, because the mean of its divisors is an integer number (39893229).

Almost surely, 2^400596806 is an apocalyptic number.

400596806 is a deficient number, since it is larger than the sum of its proper divisors (237694858).

400596806 is a wasteful number, since it uses less digits than its factorization.

400596806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37975.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 400596806 is about 20014.9145888760. The cubic root of 400596806 is about 737.1725596504.

The spelling of 400596806 in words is "four hundred million, five hundred ninety-six thousand, eight hundred six".