400954 has 16 divisors (see below), whose sum is σ = 645120. Its totient is φ = 186480.

The previous prime is 400949. The next prime is 400963. The reversal of 400954 is 459004.

It is a super-2 number, since 2×400954² = 321528220232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687 + ... + 1909.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2⁴⁰⁰⁹⁵⁴ is an apocalyptic number.

400954 is a deficient number, since it is larger than the sum of its proper divisors (244166).

400954 is a wasteful number, since it uses less digits than its factorization.

400954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 400954 is about 633.2092860974. The cubic root of 400954 is about 73.7391595672.

Adding to 400954 its reverse (459004), we get a palindrome (859958).

The spelling of 400954 in words is "four hundred thousand, nine hundred fifty-four".