400634113 has 8 divisors (see below), whose sum is σ = 448868160. Its totient is φ = 354368880.

The previous prime is 400634099. The next prime is 400634137. The reversal of 400634113 is 311436004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400634113 - 2⁵ = 400634081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400634183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491773 + ... + 492586.

It is an arithmetic number, because the mean of its divisors is an integer number (56108520).

Almost surely, 2^400634113 is an apocalyptic number.

It is an amenable number.

400634113 is a deficient number, since it is larger than the sum of its proper divisors (48234047).

400634113 is a wasteful number, since it uses less digits than its factorization.

400634113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984407.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 400634113 is about 20015.8465471736. The cubic root of 400634113 is about 737.1954428775.

The spelling of 400634113 in words is "four hundred million, six hundred thirty-four thousand, one hundred thirteen".