89398870 has 16 divisors (see below), whose sum is σ = 175547088. Its totient is φ = 32508640.

The previous prime is 89398867. The next prime is 89398871. The reversal of 89398870 is 7889398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89398871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406249 + ... + 406468.

It is an arithmetic number, because the mean of its divisors is an integer number (10971693).

Almost surely, 2^89398870 is an apocalyptic number.

89398870 is a deficient number, since it is larger than the sum of its proper divisors (86148218).

89398870 is a wasteful number, since it uses less digits than its factorization.

89398870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812735.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 89398870 is about 9455.0975669212. The cubic root of 89398870 is about 447.1405017206.

The spelling of 89398870 in words is "eighty-nine million, three hundred ninety-eight thousand, eight hundred seventy".