898320051 has 20 divisors (see below), whose sum is σ = 1348320424. Its totient is φ = 596030400.

The previous prime is 898320047. The next prime is 898320061. The reversal of 898320051 is 150023898.

It is not a de Polignac number, because 898320051 - 2² = 898320047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 898319988 and 898320015.

It is not an unprimeable number, because it can be changed into a prime (898320041) 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, 9190 + ... + 43371.

Almost surely, 2^898320051 is an apocalyptic number.

898320051 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

898320051 is a deficient number, since it is larger than the sum of its proper divisors (450000373).

898320051 is a wasteful number, since it uses less digits than its factorization.

898320051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52784 (or 52775 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 898320051 is about 29971.9877719180. The cubic root of 898320051 is about 964.8882797275. Note that the first 3 decimals are identical.

The spelling of 898320051 in words is "eight hundred ninety-eight million, three hundred twenty thousand, fifty-one".