400704801 has 24 divisors (see below), whose sum is σ = 623534400. Its totient is φ = 228225312.

The previous prime is 400704797. The next prime is 400704809. The reversal of 400704801 is 108407004.

It is not a de Polignac number, because 400704801 - 2² = 400704797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400704809) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 42300 + ... + 50898.

It is an arithmetic number, because the mean of its divisors is an integer number (25980600).

Almost surely, 2^400704801 is an apocalyptic number.

It is an amenable number.

400704801 is a deficient number, since it is larger than the sum of its proper divisors (222829599).

400704801 is a wasteful number, since it uses less digits than its factorization.

400704801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8933 (or 8926 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 400704801 is about 20017.6122701985. The cubic root of 400704801 is about 737.2387973209.

The spelling of 400704801 in words is "four hundred million, seven hundred four thousand, eight hundred one".