899361792 has 220 divisors, whose sum is σ = 3071318800. Its totient is φ = 256794624.

The previous prime is 899361781. The next prime is 899361797. The reversal of 899361792 is 297163998.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (899361797) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 579834 + ... + 581382.

It is an arithmetic number, because the mean of its divisors is an integer number (13960540).

Almost surely, 2^899361792 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 899361792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535659400).

899361792 is an abundant number, since it is smaller than the sum of its proper divisors (2171957008).

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

899361792 is a wasteful number, since it uses less digits than its factorization.

899361792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1561 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 899361792 is about 29989.3613136392. The cubic root of 899361792 is about 965.2611146961.

The spelling of 899361792 in words is "eight hundred ninety-nine million, three hundred sixty-one thousand, seven hundred ninety-two".