89232191 has 4 divisors (see below), whose sum is σ = 89403984. Its totient is φ = 89060400.

The previous prime is 89232173. The next prime is 89232211. The reversal of 89232191 is 19123298.

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

It is a cyclic number.

It is not a de Polignac number, because 89232191 - 2¹⁴ = 89215807 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 (89232491) 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, 85115 + ... + 86156.

It is an arithmetic number, because the mean of its divisors is an integer number (22350996).

Almost surely, 2^89232191 is an apocalyptic number.

89232191 is a deficient number, since it is larger than the sum of its proper divisors (171793).

89232191 is a wasteful number, since it uses less digits than its factorization.

89232191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171792.

The product of its digits is 7776, while the sum is 35.

The square root of 89232191 is about 9446.2792145903. The cubic root of 89232191 is about 446.8624396750.

The spelling of 89232191 in words is "eighty-nine million, two hundred thirty-two thousand, one hundred ninety-one".