89857245 has 32 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 46831680.

The previous prime is 89857241. The next prime is 89857249. The reversal of 89857245 is 54275898.

It is an interprime number because it is at equal distance from previous prime (89857241) and next prime (89857249).

It is not a de Polignac number, because 89857245 - 2² = 89857241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89857194 and 89857203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89857241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147732 + ... + 148338.

It is an arithmetic number, because the mean of its divisors is an integer number (4596480).

Almost surely, 2^89857245 is an apocalyptic number.

It is an amenable number.

89857245 is a deficient number, since it is larger than the sum of its proper divisors (57230115).

89857245 is a wasteful number, since it uses less digits than its factorization.

89857245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

The product of its digits is 806400, while the sum is 48.

The square root of 89857245 is about 9479.3061454940. The cubic root of 89857245 is about 447.9034074412.

The spelling of 89857245 in words is "eighty-nine million, eight hundred fifty-seven thousand, two hundred forty-five".