634449574 has 16 divisors (see below), whose sum is σ = 1047381840. Its totient is φ = 285832960.

The previous prime is 634449527. The next prime is 634449623. The reversal of 634449574 is 475944436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125119 + ... + 130090.

It is an arithmetic number, because the mean of its divisors is an integer number (65461365).

Almost surely, 2^634449574 is an apocalyptic number.

634449574 is a deficient number, since it is larger than the sum of its proper divisors (412932266).

634449574 is a wasteful number, since it uses less digits than its factorization.

634449574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255335.

The product of its digits is 1451520, while the sum is 46.

The square root of 634449574 is about 25188.2824741982. The cubic root of 634449574 is about 859.2753829549.

The spelling of 634449574 in words is "six hundred thirty-four million, four hundred forty-nine thousand, five hundred seventy-four".