89644338 has 24 divisors (see below), whose sum is σ = 221976768. Its totient is φ = 25612632.

The previous prime is 89644333. The next prime is 89644367. The reversal of 89644338 is 83344698.

It is a super-2 number, since 2×89644338² = 16072214670916488, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89644293 and 89644302.

It is not an unprimeable number, because it can be changed into a prime (89644333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355606 + ... + 355857.

It is an arithmetic number, because the mean of its divisors is an integer number (9249032).

Almost surely, 2^89644338 is an apocalyptic number.

89644338 is an abundant number, since it is smaller than the sum of its proper divisors (132332430).

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

89644338 is a wasteful number, since it uses less digits than its factorization.

89644338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711478 (or 711475 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 89644338 is about 9468.0693913807. The cubic root of 89644338 is about 447.5493748252.

The spelling of 89644338 in words is "eighty-nine million, six hundred forty-four thousand, three hundred thirty-eight".