89396857 has 12 divisors (see below), whose sum is σ = 98563108. Its totient is φ = 81021600.

The previous prime is 89396833. The next prime is 89396917. The reversal of 89396857 is 75869398.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20241001 + 69155856 = 4499^2 + 8316^2 .

It is a de Polignac number, because none of the positive numbers 2^k-89396857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89396798 and 89396807.

It is not an unprimeable number, because it can be changed into a prime (89396057) 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, 47107 + ... + 48967.

Almost surely, 2^89396857 is an apocalyptic number.

It is an amenable number.

89396857 is a deficient number, since it is larger than the sum of its proper divisors (9166251).

89396857 is a wasteful number, since it uses less digits than its factorization.

89396857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280 (or 2269 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The square root of 89396857 is about 9454.9911158076. The cubic root of 89396857 is about 447.1371455985.

The spelling of 89396857 in words is "eighty-nine million, three hundred ninety-six thousand, eight hundred fifty-seven".