89149842 has 16 divisors (see below), whose sum is σ = 198110880. Its totient is φ = 29716596.

The previous prime is 89149813. The next prime is 89149847. The reversal of 89149842 is 24894198.

It is not an unprimeable number, because it can be changed into a prime (89149847) 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, 825408 + ... + 825515.

It is an arithmetic number, because the mean of its divisors is an integer number (12381930).

Almost surely, 2^89149842 is an apocalyptic number.

89149842 is an abundant number, since it is smaller than the sum of its proper divisors (108961038).

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

89149842 is a wasteful number, since it uses less digits than its factorization.

89149842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650934 (or 1650928 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 89149842 is about 9441.9194023249. The cubic root of 89149842 is about 446.7249332420.

The spelling of 89149842 in words is "eighty-nine million, one hundred forty-nine thousand, eight hundred forty-two".