899487456 has 96 divisors (see below), whose sum is σ = 2742824448. Its totient is φ = 252771840.

The previous prime is 899487451. The next prime is 899487469. The reversal of 899487456 is 654784998.

899487456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 899487456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899487451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30021 + ... + 51963.

It is an arithmetic number, because the mean of its divisors is an integer number (28571088).

Almost surely, 2^899487456 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 899487456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371412224).

899487456 is an abundant number, since it is smaller than the sum of its proper divisors (1843336992).

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

899487456 is a wasteful number, since it uses less digits than its factorization.

899487456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22024 (or 22016 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The square root of 899487456 is about 29991.4563834436. The cubic root of 899487456 is about 965.3060698797.

The spelling of 899487456 in words is "eight hundred ninety-nine million, four hundred eighty-seven thousand, four hundred fifty-six".