89924018 has 4 divisors (see below), whose sum is σ = 134886030. Its totient is φ = 44962008.

The previous prime is 89924011. The next prime is 89924039. The reversal of 89924018 is 81042998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75047569 + 14876449 = 8663^2 + 3857^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89924011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22481003 + ... + 22481006.

Almost surely, 2^89924018 is an apocalyptic number.

89924018 is a deficient number, since it is larger than the sum of its proper divisors (44962012).

89924018 is a wasteful number, since it uses less digits than its factorization.

89924018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44962011.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 89924018 is about 9482.8275319126. The cubic root of 89924018 is about 448.0143257802.

The spelling of 89924018 in words is "eighty-nine million, nine hundred twenty-four thousand, eighteen".