634228892 has 48 divisors (see below), whose sum is σ = 1281329280. Its totient is φ = 271656000.

The previous prime is 634228807. The next prime is 634228909. The reversal of 634228892 is 298822436.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162767 + ... + 166617.

It is an arithmetic number, because the mean of its divisors is an integer number (26694360).

Almost surely, 2^634228892 is an apocalyptic number.

It is an amenable number.

634228892 is an abundant number, since it is smaller than the sum of its proper divisors (647100388).

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

634228892 is a wasteful number, since it uses less digits than its factorization.

634228892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082 (or 4080 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 634228892 is about 25183.9014451693. The cubic root of 634228892 is about 859.1757435151.

The spelling of 634228892 in words is "six hundred thirty-four million, two hundred twenty-eight thousand, eight hundred ninety-two".