899426220 has 96 divisors (see below), whose sum is σ = 3139831296. Its totient is φ = 186892800.

The previous prime is 899426207. The next prime is 899426221. The reversal of 899426220 is 22624998.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (899426221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92721 + ... + 101960.

It is an arithmetic number, because the mean of its divisors is an integer number (32706576).

Almost surely, 2^899426220 is an apocalyptic number.

It is an amenable number.

899426220 is an abundant number, since it is smaller than the sum of its proper divisors (2240405076).

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

899426220 is a wasteful number, since it uses less digits than its factorization.

899426220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194711 (or 194709 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 899426220 is about 29990.4354753311. The cubic root of 899426220 is about 965.2841637659.

The spelling of 899426220 in words is "eight hundred ninety-nine million, four hundred twenty-six thousand, two hundred twenty".