993492984 has 64 divisors (see below), whose sum is σ = 2772570240. Its totient is φ = 294053760.

The previous prime is 993492977. The next prime is 993493001. The reversal of 993492984 is 489294399.

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, 32407 + ... + 55110.

It is an arithmetic number, because the mean of its divisors is an integer number (43321410).

Almost surely, 2^993492984 is an apocalyptic number.

It is an amenable number.

993492984 is an abundant number, since it is smaller than the sum of its proper divisors (1779077256).

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

993492984 is a wasteful number, since it uses less digits than its factorization.

993492984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87580 (or 87576 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 57.

The square root of 993492984 is about 31519.7237297537. The cubic root of 993492984 is about 997.8262730013.

The spelling of 993492984 in words is "nine hundred ninety-three million, four hundred ninety-two thousand, nine hundred eighty-four".