998325164 has 12 divisors (see below), whose sum is σ = 1765080744. Its totient is φ = 494016384.

The previous prime is 998325161. The next prime is 998325179. The reversal of 998325164 is 461523899.

It is not an unprimeable number, because it can be changed into a prime (998325161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286114 + ... + 1286889.

It is an arithmetic number, because the mean of its divisors is an integer number (147090062).

Almost surely, 2^998325164 is an apocalyptic number.

It is an amenable number.

998325164 is a deficient number, since it is larger than the sum of its proper divisors (766755580).

998325164 is a wasteful number, since it uses less digits than its factorization.

998325164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573104 (or 2573102 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 998325164 is about 31596.2840220175. The cubic root of 998325164 is about 999.4414093679.

The spelling of 998325164 in words is "nine hundred ninety-eight million, three hundred twenty-five thousand, one hundred sixty-four".