400796208 has 40 divisors (see below), whose sum is σ = 1150434800. Its totient is φ = 133598592.

The previous prime is 400796191. The next prime is 400796219. The reversal of 400796208 is 802697004.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 463453 + ... + 464316.

It is an arithmetic number, because the mean of its divisors is an integer number (28760870).

Almost surely, 2^400796208 is an apocalyptic number.

400796208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

400796208 is an abundant number, since it is smaller than the sum of its proper divisors (749638592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400796208 is a wasteful number, since it uses less digits than its factorization.

400796208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927786 (or 927774 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 400796208 is about 20019.8953044215. The cubic root of 400796208 is about 737.2948516058.

The spelling of 400796208 in words is "four hundred million, seven hundred ninety-six thousand, two hundred eight".