89039142 has 32 divisors (see below), whose sum is σ = 201225600. Its totient is φ = 29175624.

The previous prime is 89039123. The next prime is 89039143. The reversal of 89039142 is 24193098.

It is a junction number, because it is equal to n+sod(n) for n = 89039097 and 89039106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89039143) 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, 10788 + ... + 17159.

It is an arithmetic number, because the mean of its divisors is an integer number (6288300).

Almost surely, 2^89039142 is an apocalyptic number.

89039142 is an abundant number, since it is smaller than the sum of its proper divisors (112186458).

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

89039142 is a wasteful number, since it uses less digits than its factorization.

89039142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28017 (or 28011 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 89039142 is about 9436.0554258652. The cubic root of 89039142 is about 446.5399527941.

The spelling of 89039142 in words is "eighty-nine million, thirty-nine thousand, one hundred forty-two".