89239705 has 8 divisors (see below), whose sum is σ = 107475912. Its totient is φ = 71132928.

The previous prime is 89239693. The next prime is 89239721. The reversal of 89239705 is 50793298.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1236544 + 88003161 = 1112^2 + 9381^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 89239705 - 2⁵ = 89239673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30832 + ... + 33601.

It is an arithmetic number, because the mean of its divisors is an integer number (13434489).

Almost surely, 2^89239705 is an apocalyptic number.

It is an amenable number.

89239705 is a deficient number, since it is larger than the sum of its proper divisors (18236207).

89239705 is a wasteful number, since it uses less digits than its factorization.

89239705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64715.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 89239705 is about 9446.6769289523. The cubic root of 89239705 is about 446.8749823463.

The spelling of 89239705 in words is "eighty-nine million, two hundred thirty-nine thousand, seven hundred five".