401165634 has 16 divisors (see below), whose sum is σ = 812488320. Its totient is φ = 132029040.

The previous prime is 401165629. The next prime is 401165641. The reversal of 401165634 is 436561104.

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, 422697 + ... + 423644.

It is an arithmetic number, because the mean of its divisors is an integer number (50780520).

Almost surely, 2^401165634 is an apocalyptic number.

401165634 is an abundant number, since it is smaller than the sum of its proper divisors (411322686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401165634 is a wasteful number, since it uses less digits than its factorization.

401165634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846425.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 401165634 is about 20029.1196511479. The cubic root of 401165634 is about 737.5213110379.

The spelling of 401165634 in words is "four hundred one million, one hundred sixty-five thousand, six hundred thirty-four".