89439100 has 18 divisors (see below), whose sum is σ = 194083064. Its totient is φ = 35775600.

The previous prime is 89439083. The next prime is 89439107. The reversal of 89439100 is 193498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89439107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447096 + ... + 447295.

Almost surely, 2^89439100 is an apocalyptic number.

It is an amenable number.

89439100 is an abundant number, since it is smaller than the sum of its proper divisors (104643964).

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

89439100 is a wasteful number, since it uses less digits than its factorization.

89439100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894405 (or 894398 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 89439100 is about 9457.2247514797. The cubic root of 89439100 is about 447.2075635853.

The spelling of 89439100 in words is "eighty-nine million, four hundred thirty-nine thousand, one hundred".