89374491 has 24 divisors (see below), whose sum is σ = 141410880. Its totient is φ = 54141696.

The previous prime is 89374489. The next prime is 89374529. The reversal of 89374491 is 19447398.

89374491 is a `hidden beast` number, since 8 + 93 + 74 + 491 = 666.

It is not a de Polignac number, because 89374491 - 2¹ = 89374489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89374421) 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 23 ways as a sum of consecutive naturals, for example, 5635 + ... + 14508.

It is an arithmetic number, because the mean of its divisors is an integer number (5892120).

Almost surely, 2^89374491 is an apocalyptic number.

89374491 is a deficient number, since it is larger than the sum of its proper divisors (52036389).

89374491 is a wasteful number, since it uses less digits than its factorization.

89374491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20195 (or 20192 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 89374491 is about 9453.8082802646. The cubic root of 89374491 is about 447.0998530737.

The spelling of 89374491 in words is "eighty-nine million, three hundred seventy-four thousand, four hundred ninety-one".