998392672 has 48 divisors (see below), whose sum is σ = 1987517952. Its totient is φ = 493660800.

The previous prime is 998392669. The next prime is 998392691. The reversal of 998392672 is 276293899.

It is a happy number.

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, 1773063 + ... + 1773625.

It is an arithmetic number, because the mean of its divisors is an integer number (41406624).

Almost surely, 2^998392672 is an apocalyptic number.

It is an amenable number.

998392672 is a deficient number, since it is larger than the sum of its proper divisors (989125280).

998392672 is a wasteful number, since it uses less digits than its factorization.

998392672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1083 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 55.

The square root of 998392672 is about 31597.3522941401. The cubic root of 998392672 is about 999.4639366875.

The spelling of 998392672 in words is "nine hundred ninety-eight million, three hundred ninety-two thousand, six hundred seventy-two".