899364672 has 126 divisors (see below), whose sum is σ = 2622583782. Its totient is φ = 294672384.

The previous prime is 899364667. The next prime is 899364673. The reversal of 899364672 is 276463998.

It is a happy number.

899364672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 405458496 + 493906176 = 20136^2 + 22224^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899364673) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3069358 + ... + 3069650.

It is an arithmetic number, because the mean of its divisors is an integer number (20814157).

Almost surely, 2^899364672 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 899364672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311291891).

899364672 is an abundant number, since it is smaller than the sum of its proper divisors (1723219110).

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

899364672 is a wasteful number, since it uses less digits than its factorization.

899364672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 371 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 899364672 is about 29989.4093306287. The cubic root of 899364672 is about 965.2621450375.

The spelling of 899364672 in words is "eight hundred ninety-nine million, three hundred sixty-four thousand, six hundred seventy-two".