89682491 has 2 divisors, whose sum is σ = 89682492. Its totient is φ = 89682490.

The previous prime is 89682427. The next prime is 89682493. The reversal of 89682491 is 19428698.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89682491 - 2⁶ = 89682427 is a prime.

Together with 89682493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89682493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44841245 + 44841246.

It is an arithmetic number, because the mean of its divisors is an integer number (44841246).

Almost surely, 2^89682491 is an apocalyptic number.

89682491 is a deficient number, since it is larger than the sum of its proper divisors (1).

89682491 is an equidigital number, since it uses as much as digits as its factorization.

89682491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The square root of 89682491 is about 9470.0840017394. The cubic root of 89682491 is about 447.6128587730.

The spelling of 89682491 in words is "eighty-nine million, six hundred eighty-two thousand, four hundred ninety-one".