89645394 has 16 divisors (see below), whose sum is σ = 179419968. Its totient is φ = 29860272.

The previous prime is 89645377. The next prime is 89645399. The reversal of 89645394 is 49354698.

It is not an unprimeable number, because it can be changed into a prime (89645399) 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, 5259 + ... + 14385.

It is an arithmetic number, because the mean of its divisors is an integer number (11213748).

Almost surely, 2^89645394 is an apocalyptic number.

89645394 is an abundant number, since it is smaller than the sum of its proper divisors (89774574).

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

89645394 is a wasteful number, since it uses less digits than its factorization.

89645394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10769.

The product of its digits is 933120, while the sum is 48.

The square root of 89645394 is about 9468.1251576012. The cubic root of 89645394 is about 447.5511321784.

The spelling of 89645394 in words is "eighty-nine million, six hundred forty-five thousand, three hundred ninety-four".