89409570 has 16 divisors (see below), whose sum is σ = 214583040. Its totient is φ = 23842544.

The previous prime is 89409563. The next prime is 89409571. The reversal of 89409570 is 7590498.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (89409571) 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, 1490130 + ... + 1490189.

It is an arithmetic number, because the mean of its divisors is an integer number (13411440).

Almost surely, 2^89409570 is an apocalyptic number.

89409570 is an abundant number, since it is smaller than the sum of its proper divisors (125173470).

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

89409570 is a wasteful number, since it uses less digits than its factorization.

89409570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980329.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 89409570 is about 9455.6633823334. The cubic root of 89409570 is about 447.1583401732.

The spelling of 89409570 in words is "eighty-nine million, four hundred nine thousand, five hundred seventy".