992336580 has 72 divisors (see below), whose sum is σ = 3187161432. Its totient is φ = 249056256.

The previous prime is 992336551. The next prime is 992336581. The reversal of 992336580 is 85633299.

It can be written as a sum of positive squares in 4 ways, for example, as 118069956 + 874266624 = 10866^2 + 29568^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (992336581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159087 + ... + 165206.

It is an arithmetic number, because the mean of its divisors is an integer number (44266131).

Almost surely, 2^992336580 is an apocalyptic number.

992336580 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

992336580 is an abundant number, since it is smaller than the sum of its proper divisors (2194824852).

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

992336580 is a wasteful number, since it uses less digits than its factorization.

992336580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324325 (or 324320 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 992336580 is about 31501.3742557368. The cubic root of 992336580 is about 997.4389734086.

The spelling of 992336580 in words is "nine hundred ninety-two million, three hundred thirty-six thousand, five hundred eighty".