400296164 has 12 divisors (see below), whose sum is σ = 724674300. Its totient is φ = 193246368.

The previous prime is 400296151. The next prime is 400296181. The reversal of 400296164 is 461692004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64673764 + 335622400 = 8042^2 + 18320^2 .

It is a super-2 number, since 2×400296164² = 320474037826229792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400296164.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725299 + ... + 1725530.

It is an arithmetic number, because the mean of its divisors is an integer number (60389525).

Almost surely, 2^400296164 is an apocalyptic number.

It is an amenable number.

400296164 is a deficient number, since it is larger than the sum of its proper divisors (324378136).

400296164 is a wasteful number, since it uses less digits than its factorization.

400296164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450862 (or 3450860 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 400296164 is about 20007.4027299897. The cubic root of 400296164 is about 736.9881011171.

The spelling of 400296164 in words is "four hundred million, two hundred ninety-six thousand, one hundred sixty-four".