636449096 has 16 divisors (see below), whose sum is σ = 1231837440. Its totient is φ = 307959120.

The previous prime is 636449087. The next prime is 636449129. The reversal of 636449096 is 690944636.

It is a self number, because there is not a number n which added to its sum of digits gives 636449096.

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, 1282916 + ... + 1283411.

It is an arithmetic number, because the mean of its divisors is an integer number (76989840).

Almost surely, 2^636449096 is an apocalyptic number.

It is an amenable number.

636449096 is a deficient number, since it is larger than the sum of its proper divisors (595388344).

636449096 is a wasteful number, since it uses less digits than its factorization.

636449096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566364 (or 2566360 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 47.

The square root of 636449096 is about 25227.9427619455. The cubic root of 636449096 is about 860.1771295508.

The spelling of 636449096 in words is "six hundred thirty-six million, four hundred forty-nine thousand, ninety-six".