89345916 has 180 divisors, whose sum is σ = 267658776. Its totient is φ = 25945920.

The previous prime is 89345911. The next prime is 89345933. The reversal of 89345916 is 61954398.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89345911) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1685746 + ... + 1685798.

Almost surely, 2^89345916 is an apocalyptic number.

89345916 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89345916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133829388).

89345916 is an abundant number, since it is smaller than the sum of its proper divisors (178312860).

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

89345916 is a wasteful number, since it uses less digits than its factorization.

89345916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 112 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 89345916 is about 9452.2968637258. The cubic root of 89345916 is about 447.0521987599.

The spelling of 89345916 in words is "eighty-nine million, three hundred forty-five thousand, nine hundred sixteen".