89491542 has 24 divisors (see below), whose sum is σ = 208205496. Its totient is φ = 25568928.

The previous prime is 89491529. The next prime is 89491559. The reversal of 89491542 is 24519498.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 89491494 and 89491503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151903 + ... + 152490.

It is an arithmetic number, because the mean of its divisors is an integer number (8675229).

Almost surely, 2^89491542 is an apocalyptic number.

89491542 is an abundant number, since it is smaller than the sum of its proper divisors (118713954).

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

89491542 is a wasteful number, since it uses less digits than its factorization.

89491542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304412 (or 304405 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 89491542 is about 9459.9969344604. The cubic root of 89491542 is about 447.2949521987.

The spelling of 89491542 in words is "eighty-nine million, four hundred ninety-one thousand, five hundred forty-two".