89739636 has 24 divisors (see below), whose sum is σ = 239305920. Its totient is φ = 25639872.

The previous prime is 89739623. The next prime is 89739673. The reversal of 89739636 is 63693798.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 534081 + ... + 534248.

It is an arithmetic number, because the mean of its divisors is an integer number (9971080).

Almost surely, 2^89739636 is an apocalyptic number.

It is an amenable number.

89739636 is an abundant number, since it is smaller than the sum of its proper divisors (149566284).

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

89739636 is a wasteful number, since it uses less digits than its factorization.

89739636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068343 (or 1068341 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 51.

The square root of 89739636 is about 9473.1006539570. The cubic root of 89739636 is about 447.7079104216.

The spelling of 89739636 in words is "eighty-nine million, seven hundred thirty-nine thousand, six hundred thirty-six".