89275491 has 12 divisors (see below), whose sum is σ = 132099240. Its totient is φ = 58065120.

The previous prime is 89275453. The next prime is 89275499. The reversal of 89275491 is 19457298.

89275491 is a `hidden beast` number, since 8 + 92 + 75 + 491 = 666.

It is not a de Polignac number, because 89275491 - 2⁷ = 89275363 is a prime.

It is a super-2 number, since 2×89275491² = 15940226586582162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89275499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120601 + ... + 121338.

It is an arithmetic number, because the mean of its divisors is an integer number (11008270).

Almost surely, 2^89275491 is an apocalyptic number.

89275491 is a deficient number, since it is larger than the sum of its proper divisors (42823749).

89275491 is a wasteful number, since it uses less digits than its factorization.

89275491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241986 (or 241983 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 89275491 is about 9448.5708443129. The cubic root of 89275491 is about 446.9347081188.

The spelling of 89275491 in words is "eighty-nine million, two hundred seventy-five thousand, four hundred ninety-one".