899919072 has 240 divisors, whose sum is σ = 3019805712. Its totient is φ = 260444160.

The previous prime is 899919067. The next prime is 899919073. The reversal of 899919072 is 270919998.

899919072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×899919072² = 1619708672298682368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899919073) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 572047 + ... + 573617.

Almost surely, 2^899919072 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 899919072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509902856).

899919072 is an abundant number, since it is smaller than the sum of its proper divisors (2119886640).

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

899919072 is a wasteful number, since it uses less digits than its factorization.

899919072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The square root of 899919072 is about 29998.6511696776. The cubic root of 899919072 is about 965.4604448030.

The spelling of 899919072 in words is "eight hundred ninety-nine million, nine hundred nineteen thousand, seventy-two".