89974199 has 4 divisors (see below), whose sum is σ = 102827664. Its totient is φ = 77120736.

The previous prime is 89974169. The next prime is 89974201. The reversal of 89974199 is 99147998.

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

It is a de Polignac number, because none of the positive numbers 2^k-89974199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89974109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6426722 + ... + 6426735.

It is an arithmetic number, because the mean of its divisors is an integer number (25706916).

Almost surely, 2^89974199 is an apocalyptic number.

89974199 is a deficient number, since it is larger than the sum of its proper divisors (12853465).

89974199 is a wasteful number, since it uses less digits than its factorization.

89974199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853464.

The product of its digits is 1469664, while the sum is 56.

The square root of 89974199 is about 9485.4730509343. The cubic root of 89974199 is about 448.0976465910.

The spelling of 89974199 in words is "eighty-nine million, nine hundred seventy-four thousand, one hundred ninety-nine".