899973456 has 40 divisors (see below), whose sum is σ = 2447298720. Its totient is φ = 284201856.

The previous prime is 899973427. The next prime is 899973457. The reversal of 899973456 is 654379998.

It is a self number, because there is not a number n which added to its sum of digits gives 899973456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899973457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492495 + ... + 494318.

It is an arithmetic number, because the mean of its divisors is an integer number (61182468).

Almost surely, 2^899973456 is an apocalyptic number.

It is an amenable number.

899973456 is an abundant number, since it is smaller than the sum of its proper divisors (1547325264).

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

899973456 is a wasteful number, since it uses less digits than its factorization.

899973456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986843 (or 986837 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The square root of 899973456 is about 29999.5575967380. The cubic root of 899973456 is about 965.4798926789.

The spelling of 899973456 in words is "eight hundred ninety-nine million, nine hundred seventy-three thousand, four hundred fifty-six".