89149000 has 64 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 35032000.

The previous prime is 89148979. The next prime is 89149031. The reversal of 89149000 is 94198.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58245 + ... + 59755.

It is an arithmetic number, because the mean of its divisors is an integer number (3316950).

Almost surely, 2^89149000 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 89149000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106142400).

89149000 is an abundant number, since it is smaller than the sum of its proper divisors (123135800).

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

89149000 is a wasteful number, since it uses less digits than its factorization.

89149000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 89149000 is about 9441.8748138280. The cubic root of 89149000 is about 446.7235268324.

The spelling of 89149000 in words is "eighty-nine million, one hundred forty-nine thousand".