899507412 has 36 divisors (see below), whose sum is σ = 2274906816. Its totient is φ = 299683920.

The previous prime is 899507393. The next prime is 899507423. The reversal of 899507412 is 214705998.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×899507412² = 1618227168485875488, which contains 22 as substring.

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, 82987 + ... + 93197.

It is an arithmetic number, because the mean of its divisors is an integer number (63191856).

Almost surely, 2^899507412 is an apocalyptic number.

It is an amenable number.

899507412 is an abundant number, since it is smaller than the sum of its proper divisors (1375399404).

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

899507412 is a wasteful number, since it uses less digits than its factorization.

899507412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12668 (or 12663 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 899507412 is about 29991.7890763455. The cubic root of 899507412 is about 965.3132085768.

The spelling of 899507412 in words is "eight hundred ninety-nine million, five hundred seven thousand, four hundred twelve".