89645370 has 32 divisors (see below), whose sum is σ = 215811648. Its totient is φ = 23831808.

The previous prime is 89645359. The next prime is 89645371. The reversal of 89645370 is 7354698.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89645371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5677 + ... + 14543.

It is an arithmetic number, because the mean of its divisors is an integer number (6744114).

Almost surely, 2^89645370 is an apocalyptic number.

89645370 is an abundant number, since it is smaller than the sum of its proper divisors (126166278).

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

89645370 is a wasteful number, since it uses less digits than its factorization.

89645370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 89645370 is about 9468.1238901907. The cubic root of 89645370 is about 447.5510922387.

The spelling of 89645370 in words is "eighty-nine million, six hundred forty-five thousand, three hundred seventy".