400913372 has 12 divisors (see below), whose sum is σ = 711209856. Its totient is φ = 197710560.

The previous prime is 400913353. The next prime is 400913423. The reversal of 400913372 is 273319004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686204 + ... + 686787.

It is an arithmetic number, because the mean of its divisors is an integer number (59267488).

Almost surely, 2^400913372 is an apocalyptic number.

It is an amenable number.

400913372 is a deficient number, since it is larger than the sum of its proper divisors (310296484).

400913372 is a wasteful number, since it uses less digits than its factorization.

400913372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373068 (or 1373066 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 400913372 is about 20022.8212797298. The cubic root of 400913372 is about 737.3666886110.

The spelling of 400913372 in words is "four hundred million, nine hundred thirteen thousand, three hundred seventy-two".