89974443 has 64 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 49061376.

The previous prime is 89974441. The next prime is 89974453. The reversal of 89974443 is 34447998.

It is not a de Polignac number, because 89974443 - 2¹ = 89974441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89974392 and 89974401.

It is not an unprimeable number, because it can be changed into a prime (89974441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1138878 + ... + 1138956.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^89974443 is an apocalyptic number.

89974443 is a deficient number, since it is larger than the sum of its proper divisors (55177557).

89974443 is a wasteful number, since it uses less digits than its factorization.

89974443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196.

The product of its digits is 870912, while the sum is 48.

The square root of 89974443 is about 9485.4859126984. The cubic root of 89974443 is about 448.0980516543.

The spelling of 89974443 in words is "eighty-nine million, nine hundred seventy-four thousand, four hundred forty-three".