634299854 has 16 divisors (see below), whose sum is σ = 972162000. Its totient is φ = 310309824.

The previous prime is 634299793. The next prime is 634299863. The reversal of 634299854 is 458992436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4082 + ... + 35850.

It is an arithmetic number, because the mean of its divisors is an integer number (60760125).

Almost surely, 2^634299854 is an apocalyptic number.

634299854 is a deficient number, since it is larger than the sum of its proper divisors (337862146).

634299854 is a wasteful number, since it uses less digits than its factorization.

634299854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31987.

The product of its digits is 1866240, while the sum is 50.

The square root of 634299854 is about 25185.3102819878. The cubic root of 634299854 is about 859.2077858666.

The spelling of 634299854 in words is "six hundred thirty-four million, two hundred ninety-nine thousand, eight hundred fifty-four".