634508870 has 8 divisors (see below), whose sum is σ = 1142115984. Its totient is φ = 253803544.

The previous prime is 634508851. The next prime is 634508881. The reversal of 634508870 is 78805436.

It is a happy number.

634508870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×634508870² = 805203012217353800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31725434 + ... + 31725453.

It is an arithmetic number, because the mean of its divisors is an integer number (142764498).

Almost surely, 2^634508870 is an apocalyptic number.

634508870 is a deficient number, since it is larger than the sum of its proper divisors (507607114).

634508870 is a wasteful number, since it uses less digits than its factorization.

634508870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63450894.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 634508870 is about 25189.4595019425. The cubic root of 634508870 is about 859.3021515681.

The spelling of 634508870 in words is "six hundred thirty-four million, five hundred eight thousand, eight hundred seventy".