400984368 has 40 divisors (see below), whose sum is σ = 1042099968. Its totient is φ = 132858432.

The previous prime is 400984343. The next prime is 400984373. The reversal of 400984368 is 863489004.

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, 16996 + ... + 33027.

Almost surely, 2^400984368 is an apocalyptic number.

400984368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

400984368 is an abundant number, since it is smaller than the sum of its proper divisors (641115600).

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

400984368 is a wasteful number, since it uses less digits than its factorization.

400984368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50201 (or 50195 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 400984368 is about 20024.5940782828. The cubic root of 400984368 is about 737.4102117253.

The spelling of 400984368 in words is "four hundred million, nine hundred eighty-four thousand, three hundred sixty-eight".