400727104 has 28 divisors (see below), whose sum is σ = 822617100. Its totient is φ = 193453568.

The previous prime is 400727099. The next prime is 400727113. The reversal of 400727104 is 401727004.

It can be written as a sum of positive squares in 2 ways, for example, as 68029504 + 332697600 = 8248^2 + 18240^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106099 + ... + 109810.

Almost surely, 2^400727104 is an apocalyptic number.

It is an amenable number.

400727104 is an abundant number, since it is smaller than the sum of its proper divisors (421889996).

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

400727104 is a wasteful number, since it uses less digits than its factorization.

400727104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215950 (or 215940 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 400727104 is about 20018.1693468709. The cubic root of 400727104 is about 737.2524751637.

The spelling of 400727104 in words is "four hundred million, seven hundred twenty-seven thousand, one hundred four".