899645382 has 24 divisors (see below), whose sum is σ = 1964116440. Its totient is φ = 297591840.

The previous prime is 899645353. The next prime is 899645401. The reversal of 899645382 is 283546998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188407 + ... + 193122.

It is an arithmetic number, because the mean of its divisors is an integer number (81838185).

Almost surely, 2^899645382 is an apocalyptic number.

899645382 is an abundant number, since it is smaller than the sum of its proper divisors (1064471058).

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

899645382 is a wasteful number, since it uses less digits than its factorization.

899645382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381668 (or 381665 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 899645382 is about 29994.0891176912. The cubic root of 899645382 is about 965.3625605713.

The spelling of 899645382 in words is "eight hundred ninety-nine million, six hundred forty-five thousand, three hundred eighty-two".