89889628 has 6 divisors (see below), whose sum is σ = 157306856. Its totient is φ = 44944812.

The previous prime is 89889623. The next prime is 89889629. The reversal of 89889628 is 82698898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89889623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11236200 + ... + 11236207.

Almost surely, 2^89889628 is an apocalyptic number.

It is an amenable number.

89889628 is a deficient number, since it is larger than the sum of its proper divisors (67417228).

89889628 is a wasteful number, since it uses less digits than its factorization.

89889628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22472411 (or 22472409 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 58.

The square root of 89889628 is about 9481.0140807827. The cubic root of 89889628 is about 447.9572065311.

The spelling of 89889628 in words is "eighty-nine million, eight hundred eighty-nine thousand, six hundred twenty-eight".