400727332 has 12 divisors (see below), whose sum is σ = 742524300. Its totient is φ = 188577536.

The previous prime is 400727323. The next prime is 400727357. The reversal of 400727332 is 233727004.

It can be written as a sum of positive squares in 2 ways, for example, as 134189056 + 266538276 = 11584^2 + 16326^2 .

It is a super-2 number, since 2×400727332² = 321164789223676448, 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 400727332.

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, 2946457 + ... + 2946592.

It is an arithmetic number, because the mean of its divisors is an integer number (61877025).

Almost surely, 2^400727332 is an apocalyptic number.

It is an amenable number.

400727332 is a deficient number, since it is larger than the sum of its proper divisors (341796968).

400727332 is a wasteful number, since it uses less digits than its factorization.

400727332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893070 (or 5893068 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 400727332 is about 20018.1750416965. The cubic root of 400727332 is about 737.2526149875.

The spelling of 400727332 in words is "four hundred million, seven hundred twenty-seven thousand, three hundred thirty-two".