89973193 has 4 divisors (see below), whose sum is σ = 90154000. Its totient is φ = 89792388.

The previous prime is 89973187. The next prime is 89973293. The reversal of 89973193 is 39137998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89973193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89973293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89655 + ... + 90652.

It is an arithmetic number, because the mean of its divisors is an integer number (22538500).

Almost surely, 2^89973193 is an apocalyptic number.

It is an amenable number.

89973193 is a deficient number, since it is larger than the sum of its proper divisors (180807).

89973193 is a wasteful number, since it uses less digits than its factorization.

89973193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180806.

The product of its digits is 367416, while the sum is 49.

The square root of 89973193 is about 9485.4200223290. The cubic root of 89973193 is about 448.0959765274.

The spelling of 89973193 in words is "eighty-nine million, nine hundred seventy-three thousand, one hundred ninety-three".