89857894 has 16 divisors (see below), whose sum is σ = 154515456. Its totient is φ = 38392200.

The previous prime is 89857891. The next prime is 89857907. The reversal of 89857894 is 49875898.

It is a super-2 number, since 2×89857894² = 16148882228230472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89857891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5062 + ... + 14329.

It is an arithmetic number, because the mean of its divisors is an integer number (9657216).

Almost surely, 2^89857894 is an apocalyptic number.

89857894 is a deficient number, since it is larger than the sum of its proper divisors (64657562).

89857894 is a wasteful number, since it uses less digits than its factorization.

89857894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19731.

The product of its digits is 5806080, while the sum is 58.

The square root of 89857894 is about 9479.3403778955. The cubic root of 89857894 is about 447.9044857761.

The spelling of 89857894 in words is "eighty-nine million, eight hundred fifty-seven thousand, eight hundred ninety-four".