89609238 has 12 divisors (see below), whose sum is σ = 194153388. Its totient is φ = 29869740.

The previous prime is 89609137. The next prime is 89609239. The reversal of 89609238 is 83290698.

89609238 is a `hidden beast` number, since 8 + 9 + 609 + 2 + 38 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89609193 and 89609202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89609239) 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 5 ways as a sum of consecutive naturals, for example, 2489128 + ... + 2489163.

It is an arithmetic number, because the mean of its divisors is an integer number (16179449).

Almost surely, 2^89609238 is an apocalyptic number.

89609238 is an abundant number, since it is smaller than the sum of its proper divisors (104544150).

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

89609238 is a wasteful number, since it uses less digits than its factorization.

89609238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978299 (or 4978296 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 89609238 is about 9466.2156113201. The cubic root of 89609238 is about 447.4909549476.

The spelling of 89609238 in words is "eighty-nine million, six hundred nine thousand, two hundred thirty-eight".