400952867 has 16 divisors (see below), whose sum is σ = 464755200. Its totient is φ = 338817600.

The previous prime is 400952863. The next prime is 400952873. The reversal of 400952867 is 768259004.

It is a cyclic number.

It is not a de Polignac number, because 400952867 - 2² = 400952863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400952863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145559 + ... + 148287.

It is an arithmetic number, because the mean of its divisors is an integer number (29047200).

Almost surely, 2^400952867 is an apocalyptic number.

400952867 is a deficient number, since it is larger than the sum of its proper divisors (63802333).

400952867 is a wasteful number, since it uses less digits than its factorization.

400952867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 400952867 is about 20023.8075050676. The cubic root of 400952867 is about 737.3909011077.

The spelling of 400952867 in words is "four hundred million, nine hundred fifty-two thousand, eight hundred sixty-seven".