898172660 has 48 divisors (see below), whose sum is σ = 2351583360. Its totient is φ = 279949440.

The previous prime is 898172657. The next prime is 898172677. The reversal of 898172660 is 66271898.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290075 + ... + 293154.

It is an arithmetic number, because the mean of its divisors is an integer number (48991320).

Almost surely, 2^898172660 is an apocalyptic number.

It is an amenable number.

898172660 is an abundant number, since it is smaller than the sum of its proper divisors (1453410700).

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

898172660 is a wasteful number, since it uses less digits than its factorization.

898172660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583256 (or 583254 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 898172660 is about 29969.5288584923. The cubic root of 898172660 is about 964.8355058017.

The spelling of 898172660 in words is "eight hundred ninety-eight million, one hundred seventy-two thousand, six hundred sixty".