400854364 has 12 divisors (see below), whose sum is σ = 702927288. Its totient is φ = 200018000.

The previous prime is 400854347. The next prime is 400854371. The reversal of 400854364 is 463458004.

It is a super-2 number, since 2×400854364² = 321368442275688992, which contains 22 as substring.

It is a congruent number.

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, 100087 + ... + 104014.

It is an arithmetic number, because the mean of its divisors is an integer number (58577274).

Almost surely, 2^400854364 is an apocalyptic number.

It is an amenable number.

400854364 is a deficient number, since it is larger than the sum of its proper divisors (302072924).

400854364 is a wasteful number, since it uses less digits than its factorization.

400854364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204596 (or 204594 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 400854364 is about 20021.3477068853. The cubic root of 400854364 is about 737.3305106638.

The spelling of 400854364 in words is "four hundred million, eight hundred fifty-four thousand, three hundred sixty-four".