89783892 has 72 divisors (see below), whose sum is σ = 260638560. Its totient is φ = 25773120.

The previous prime is 89783833. The next prime is 89783893. The reversal of 89783892 is 29838798.

It is a super-2 number, since 2×89783892² = 16122294525335328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89783893) 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, 1558 + ... + 13490.

It is an arithmetic number, because the mean of its divisors is an integer number (3619980).

Almost surely, 2^89783892 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 89783892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130319280).

89783892 is an abundant number, since it is smaller than the sum of its proper divisors (170854668).

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

89783892 is a wasteful number, since it uses less digits than its factorization.

89783892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11973 (or 11968 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 89783892 is about 9475.4362432555. The cubic root of 89783892 is about 447.7814955394.

The spelling of 89783892 in words is "eighty-nine million, seven hundred eighty-three thousand, eight hundred ninety-two".