1631849028 has 24 divisors (see below), whose sum is σ = 3842583360. Its totient is φ = 538958880.

The previous prime is 1631848961. The next prime is 1631849039. The reversal of 1631849028 is 8209481361.

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, 622488 + ... + 625103.

It is an arithmetic number, because the mean of its divisors is an integer number (160107640).

Almost surely, 2^1631849028 is an apocalyptic number.

It is an amenable number.

1631849028 is an abundant number, since it is smaller than the sum of its proper divisors (2210734332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1631849028 is a wasteful number, since it uses less digits than its factorization.

1631849028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247707 (or 1247705 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1631849028 is about 40396.1511532968. The cubic root of 1631849028 is about 1177.3167576520.

The spelling of 1631849028 in words is "one billion, six hundred thirty-one million, eight hundred forty-nine thousand, twenty-eight".