899996931 has 12 divisors (see below), whose sum is σ = 1302821520. Its totient is φ = 598693680.

The previous prime is 899996927. The next prime is 899996939. The reversal of 899996931 is 139699998.

899996931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 899996931 - 2² = 899996927 is a prime.

It is a super-2 number, since 2×899996931² = 1619988951618837522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (899996939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104311 + ... + 112608.

It is an arithmetic number, because the mean of its divisors is an integer number (108568460).

Almost surely, 2^899996931 is an apocalyptic number.

899996931 is a deficient number, since it is larger than the sum of its proper divisors (402824589).

899996931 is a wasteful number, since it uses less digits than its factorization.

899996931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217386 (or 217383 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 63.

The square root of 899996931 is about 29999.9488499564. The cubic root of 899996931 is about 965.4882871648.

It can be divided in two parts, 8999969 and 31, that added together give a square (9000000 = 3000²).

The spelling of 899996931 in words is "eight hundred ninety-nine million, nine hundred ninety-six thousand, nine hundred thirty-one".