992988 has 18 divisors (see below), whose sum is σ = 2510144. Its totient is φ = 330984.

The previous prime is 992983. The next prime is 993001. The reversal of 992988 is 889299.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×992988³ = 2937333478994922816, which contains 333 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 992988.

It is not an unprimeable number, because it can be changed into a prime (992983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13756 + ... + 13827.

2⁹⁹²⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

992988 is an abundant number, since it is smaller than the sum of its proper divisors (1517156).

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

992988 is a wasteful number, since it uses less digits than its factorization.

992988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27593 (or 27588 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 992988 is about 996.4878323392. The cubic root of 992988 is about 99.7657182158.

The spelling of 992988 in words is "nine hundred ninety-two thousand, nine hundred eighty-eight".