400967 has 10 divisors (see below), whose sum is σ = 470568. Its totient is φ = 341628.

The previous prime is 400963. The next prime is 400997. The reversal of 400967 is 769004.

It is not a de Polignac number, because 400967 - 2² = 400963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400963) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2318 + ... + 2484.

2⁴⁰⁰⁹⁶⁷ is an apocalyptic number.

400967 is a deficient number, since it is larger than the sum of its proper divisors (69601).

400967 is an frugal number, since it uses more digits than its factorization.

400967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 400967 is about 633.2195511827. The cubic root of 400967 is about 73.7399564988.

The spelling of 400967 in words is "four hundred thousand, nine hundred sixty-seven".