89657436 has 24 divisors (see below), whose sum is σ = 228219264. Its totient is φ = 27168880.

The previous prime is 89657389. The next prime is 89657437. The reversal of 89657436 is 63475698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89657437) 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, 339480 + ... + 339743.

It is an arithmetic number, because the mean of its divisors is an integer number (9509136).

Almost surely, 2^89657436 is an apocalyptic number.

It is an amenable number.

89657436 is an abundant number, since it is smaller than the sum of its proper divisors (138561828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89657436 is a wasteful number, since it uses less digits than its factorization.

89657436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679241 (or 679239 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 89657436 is about 9468.7610593995. The cubic root of 89657436 is about 447.5711710196.

The spelling of 89657436 in words is "eighty-nine million, six hundred fifty-seven thousand, four hundred thirty-six".