988592940 has 72 divisors (see below), whose sum is σ = 3026303280. Its totient is φ = 261201024.

The previous prime is 988592929. The next prime is 988592947. The reversal of 988592940 is 49295889.

988592940 is a `hidden beast` number, since 9 + 8 + 8 + 592 + 9 + 40 = 666.

It is not an unprimeable number, because it can be changed into a prime (988592947) 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, 5574 + ... + 44813.

It is an arithmetic number, because the mean of its divisors is an integer number (42031990).

Almost surely, 2^988592940 is an apocalyptic number.

988592940 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988592940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513151640).

988592940 is an abundant number, since it is smaller than the sum of its proper divisors (2037710340).

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

988592940 is a wasteful number, since it uses less digits than its factorization.

988592940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50511 (or 50506 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 988592940 is about 31441.8978434827. The cubic root of 988592940 is about 996.1830964498.

The spelling of 988592940 in words is "nine hundred eighty-eight million, five hundred ninety-two thousand, nine hundred forty".