1634488904 has 16 divisors (see below), whose sum is σ = 3069792000. Its totient is φ = 815877712.

The previous prime is 1634488901. The next prime is 1634488909. The reversal of 1634488904 is 4098844361.

It is not an unprimeable number, because it can be changed into a prime (1634488901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165752 + ... + 175335.

It is an arithmetic number, because the mean of its divisors is an integer number (191862000).

Almost surely, 2^1634488904 is an apocalyptic number.

It is an amenable number.

1634488904 is a deficient number, since it is larger than the sum of its proper divisors (1435303096).

1634488904 is a wasteful number, since it uses less digits than its factorization.

1634488904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341692 (or 341688 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 1634488904 is about 40428.8127948373. The cubic root of 1634488904 is about 1177.9512721938.

The spelling of 1634488904 in words is "one billion, six hundred thirty-four million, four hundred eighty-eight thousand, nine hundred four".