89139484 has 24 divisors (see below), whose sum is σ = 179381888. Its totient is φ = 37966320.

The previous prime is 89139451. The next prime is 89139487. The reversal of 89139484 is 48493198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89139487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5202 + ... + 14329.

Almost surely, 2^89139484 is an apocalyptic number.

It is an amenable number.

89139484 is an abundant number, since it is smaller than the sum of its proper divisors (90242404).

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

89139484 is a wasteful number, since it uses less digits than its factorization.

89139484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19705 (or 19703 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 89139484 is about 9441.3708750372. The cubic root of 89139484 is about 446.7076314500.

The spelling of 89139484 in words is "eighty-nine million, one hundred thirty-nine thousand, four hundred eighty-four".