899870418 has 128 divisors (see below), whose sum is σ = 2214051840. Its totient is φ = 269671680.

The previous prime is 899870393. The next prime is 899870429. The reversal of 899870418 is 814078998.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2931021 + ... + 2931327.

It is an arithmetic number, because the mean of its divisors is an integer number (17297280).

Almost surely, 2^899870418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899870418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107025920).

899870418 is an abundant number, since it is smaller than the sum of its proper divisors (1314181422).

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

899870418 is a wasteful number, since it uses less digits than its factorization.

899870418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 899870418 is about 29997.8402222560. The cubic root of 899870418 is about 965.4430453277.

The spelling of 899870418 in words is "eight hundred ninety-nine million, eight hundred seventy thousand, four hundred eighteen".