89309247 has 8 divisors (see below), whose sum is σ = 119133744. Its totient is φ = 59512128.

The previous prime is 89309239. The next prime is 89309251. The reversal of 89309247 is 74290398.

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

It is not a de Polignac number, because 89309247 - 2³ = 89309239 is a prime.

It is a super-2 number, since 2×89309247² = 15952283199414018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89309199 and 89309208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89309257) 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 7 ways as a sum of consecutive naturals, for example, 2653 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (14891718).

Almost surely, 2^89309247 is an apocalyptic number.

89309247 is a deficient number, since it is larger than the sum of its proper divisors (29824497).

89309247 is a wasteful number, since it uses less digits than its factorization.

89309247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 89309247 is about 9450.3569773845. The cubic root of 89309247 is about 446.9910312551.

The spelling of 89309247 in words is "eighty-nine million, three hundred nine thousand, two hundred forty-seven".