83388492 has 72 divisors (see below), whose sum is σ = 242074560. Its totient is φ = 23937120.

The previous prime is 83388421. The next prime is 83388493. The reversal of 83388492 is 29488338.

83388492 is a `hidden beast` number, since 83 + 3 + 88 + 492 = 666.

It is not an unprimeable number, because it can be changed into a prime (83388493) 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, 1983 + ... + 13065.

Almost surely, 2^83388492 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 83388492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121037280).

83388492 is an abundant number, since it is smaller than the sum of its proper divisors (158686068).

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

83388492 is a wasteful number, since it uses less digits than its factorization.

83388492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11123 (or 11118 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 83388492 is about 9131.7299565854. The cubic root of 83388492 is about 436.8865821805.

Subtracting from 83388492 its product of digits (331776), we obtain a triangular number (83056716 = T₁₂₈₈₈).

The spelling of 83388492 in words is "eighty-three million, three hundred eighty-eight thousand, four hundred ninety-two".