634281956 has 48 divisors (see below), whose sum is σ = 1385930112. Its totient is φ = 246758400.

The previous prime is 634281953. The next prime is 634282007. The reversal of 634281956 is 659182436.

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

It is not an unprimeable number, because it can be changed into a prime (634281953) 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, 313460 + ... + 315476.

It is an arithmetic number, because the mean of its divisors is an integer number (28873544).

Almost surely, 2^634281956 is an apocalyptic number.

It is an amenable number.

634281956 is an abundant number, since it is smaller than the sum of its proper divisors (751648156).

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

634281956 is a wasteful number, since it uses less digits than its factorization.

634281956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060 (or 3058 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 634281956 is about 25184.9549533050. The cubic root of 634281956 is about 859.1997043862.

The spelling of 634281956 in words is "six hundred thirty-four million, two hundred eighty-one thousand, nine hundred fifty-six".