634349883 has 16 divisors (see below), whose sum is σ = 897229440. Its totient is φ = 397278336.

The previous prime is 634349879. The next prime is 634349893. The reversal of 634349883 is 388943436.

It is not a de Polignac number, because 634349883 - 2² = 634349879 is a prime.

It is a super-2 number, since 2×634349883² = 804799548124227378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (634349813) 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, 16528 + ... + 39266.

It is an arithmetic number, because the mean of its divisors is an integer number (56076840).

Almost surely, 2^634349883 is an apocalyptic number.

634349883 is a deficient number, since it is larger than the sum of its proper divisors (262879557).

634349883 is a wasteful number, since it uses less digits than its factorization.

634349883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23306.

The product of its digits is 1492992, while the sum is 48.

The square root of 634349883 is about 25186.3034802648. The cubic root of 634349883 is about 859.2303746449.

The spelling of 634349883 in words is "six hundred thirty-four million, three hundred forty-nine thousand, eight hundred eighty-three".