673826988 has 24 divisors (see below), whose sum is σ = 1573387200. Its totient is φ = 224448400.

The previous prime is 673826957. The next prime is 673827019. The reversal of 673826988 is 889628376.

It is an interprime number because it is at equal distance from previous prime (673826957) and next prime (673827019).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938 + ... + 36761.

It is an arithmetic number, because the mean of its divisors is an integer number (65557800).

Almost surely, 2^673826988 is an apocalyptic number.

It is an amenable number.

673826988 is an abundant number, since it is smaller than the sum of its proper divisors (899560212).

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

673826988 is a wasteful number, since it uses less digits than its factorization.

673826988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40157 (or 40155 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 673826988 is about 25958.1776710154. The cubic root of 673826988 is about 876.6968923317.

The spelling of 673826988 in words is "six hundred seventy-three million, eight hundred twenty-six thousand, nine hundred eighty-eight".