992583280 has 80 divisors (see below), whose sum is σ = 2492277984. Its totient is φ = 365460480.

The previous prime is 992583259. The next prime is 992583283. The reversal of 992583280 is 82385299.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 992583280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992583283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436707 + ... + 438973.

Almost surely, 2^992583280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 992583280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246138992).

992583280 is an abundant number, since it is smaller than the sum of its proper divisors (1499694704).

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

992583280 is a wasteful number, since it uses less digits than its factorization.

992583280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 992583280 is about 31505.2897145860. The cubic root of 992583280 is about 997.5216227204.

The spelling of 992583280 in words is "nine hundred ninety-two million, five hundred eighty-three thousand, two hundred eighty".