400463937 has 6 divisors (see below), whose sum is σ = 578447922. Its totient is φ = 266975952.

The previous prime is 400463909. The next prime is 400463957. The reversal of 400463937 is 739364004.

It can be written as a sum of positive squares in only one way, i.e., 396447921 + 4016016 = 19911^2 + 2004^2 .

It is not a de Polignac number, because 400463937 - 2²⁰ = 399415361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400463957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22247988 + ... + 22248005.

It is an arithmetic number, because the mean of its divisors is an integer number (96407987).

Almost surely, 2^400463937 is an apocalyptic number.

It is an amenable number.

400463937 is a deficient number, since it is larger than the sum of its proper divisors (177983985).

400463937 is a wasteful number, since it uses less digits than its factorization.

400463937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44495999 (or 44495996 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 400463937 is about 20011.5950638624. The cubic root of 400463937 is about 737.0910494217.

The spelling of 400463937 in words is "four hundred million, four hundred sixty-three thousand, nine hundred thirty-seven".