998766672 has 40 divisors (see below), whose sum is σ = 2593137600. Its totient is φ = 331246080.

The previous prime is 998766653. The next prime is 998766721. The reversal of 998766672 is 276667899.

It is a congruent number.

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, 42729 + ... + 61832.

It is an arithmetic number, because the mean of its divisors is an integer number (64828440).

Almost surely, 2^998766672 is an apocalyptic number.

It is an amenable number.

998766672 is an abundant number, since it is smaller than the sum of its proper divisors (1594370928).

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

998766672 is a wasteful number, since it uses less digits than its factorization.

998766672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104771 (or 104765 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The square root of 998766672 is about 31603.2699573952. The cubic root of 998766672 is about 999.5887215399.

The spelling of 998766672 in words is "nine hundred ninety-eight million, seven hundred sixty-six thousand, six hundred seventy-two".