89818382 has 4 divisors (see below), whose sum is σ = 134727576. Its totient is φ = 44909190.

The previous prime is 89818321. The next prime is 89818387. The reversal of 89818382 is 28381898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28381898 = 2 ⋅14190949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89818387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22454594 + ... + 22454597.

It is an arithmetic number, because the mean of its divisors is an integer number (33681894).

Almost surely, 2^89818382 is an apocalyptic number.

89818382 is a deficient number, since it is larger than the sum of its proper divisors (44909194).

89818382 is a wasteful number, since it uses less digits than its factorization.

89818382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44909193.

The product of its digits is 221184, while the sum is 47.

The square root of 89818382 is about 9477.2560374826. The cubic root of 89818382 is about 447.8388258180.

The spelling of 89818382 in words is "eighty-nine million, eight hundred eighteen thousand, three hundred eighty-two".