1632231812 has 48 divisors (see below), whose sum is σ = 3109917888. Its totient is φ = 746542080.

The previous prime is 1632231793. The next prime is 1632231847. The reversal of 1632231812 is 2181322361.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854963 + ... + 856869.

It is an arithmetic number, because the mean of its divisors is an integer number (64789956).

Almost surely, 2^1632231812 is an apocalyptic number.

It is an amenable number.

1632231812 is a deficient number, since it is larger than the sum of its proper divisors (1477686076).

1632231812 is a wasteful number, since it uses less digits than its factorization.

1632231812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2274 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 1632231812 is about 40400.8887526005. Note that the first 3 decimals coincide. The cubic root of 1632231812 is about 1177.4088051347.

The spelling of 1632231812 in words is "one billion, six hundred thirty-two million, two hundred thirty-one thousand, eight hundred twelve".