899739372 has 54 divisors (see below), whose sum is σ = 2444125572. Its totient is φ = 256860576.

The previous prime is 899739371. The next prime is 899739437. The reversal of 899739372 is 273937998.

It is not an unprimeable number, because it can be changed into a prime (899739371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 726738 + ... + 727974.

Almost surely, 2^899739372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899739372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222062786).

899739372 is an abundant number, since it is smaller than the sum of its proper divisors (1544386200).

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

899739372 is a wasteful number, since it uses less digits than its factorization.

899739372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 1249 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 57.

The square root of 899739372 is about 29995.6558854778. The cubic root of 899739372 is about 965.3961779904.

The spelling of 899739372 in words is "eight hundred ninety-nine million, seven hundred thirty-nine thousand, three hundred seventy-two".