89174281 has 4 divisors (see below), whose sum is σ = 101913472. Its totient is φ = 76435092.

The previous prime is 89174279. The next prime is 89174291. The reversal of 89174281 is 18247198.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89174281 - 2¹ = 89174279 is a prime.

It is a super-2 number, since 2×89174281² = 15904104783733922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89174251) 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, 6369585 + ... + 6369598.

It is an arithmetic number, because the mean of its divisors is an integer number (25478368).

Almost surely, 2^89174281 is an apocalyptic number.

It is an amenable number.

89174281 is a deficient number, since it is larger than the sum of its proper divisors (12739191).

89174281 is a wasteful number, since it uses less digits than its factorization.

89174281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12739190.

The product of its digits is 32256, while the sum is 40.

The square root of 89174281 is about 9443.2134890619. The cubic root of 89174281 is about 446.7657503387.

The spelling of 89174281 in words is "eighty-nine million, one hundred seventy-four thousand, two hundred eighty-one".