400321196 has 24 divisors (see below), whose sum is σ = 774724944. Its totient is φ = 179470080.

The previous prime is 400321193. The next prime is 400321213. The reversal of 400321196 is 691123004.

It is not an unprimeable number, because it can be changed into a prime (400321193) 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, 59105 + ... + 65528.

It is an arithmetic number, because the mean of its divisors is an integer number (32280206).

Almost surely, 2^400321196 is an apocalyptic number.

It is an amenable number.

400321196 is a deficient number, since it is larger than the sum of its proper divisors (374403748).

400321196 is a wasteful number, since it uses less digits than its factorization.

400321196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124721 (or 124719 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 400321196 is about 20008.0282886645. The cubic root of 400321196 is about 737.0034629943.

The spelling of 400321196 in words is "four hundred million, three hundred twenty-one thousand, one hundred ninety-six".