89382991 has 8 divisors (see below), whose sum is σ = 98756064. Its totient is φ = 80467200.

The previous prime is 89382989. The next prime is 89383001. The reversal of 89382991 is 19928398.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89382991 - 2¹ = 89382989 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 (89382961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113910 + ... + 114691.

It is an arithmetic number, because the mean of its divisors is an integer number (12344508).

Almost surely, 2^89382991 is an apocalyptic number.

89382991 is a deficient number, since it is larger than the sum of its proper divisors (9373073).

89382991 is a wasteful number, since it uses less digits than its factorization.

89382991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228641.

The product of its digits is 279936, while the sum is 49.

The square root of 89382991 is about 9454.2578238590. The cubic root of 89382991 is about 447.1140264999.

The spelling of 89382991 in words is "eighty-nine million, three hundred eighty-two thousand, nine hundred ninety-one".