89349780 has 96 divisors (see below), whose sum is σ = 283651200. Its totient is φ = 20832768.

The previous prime is 89349769. The next prime is 89349791. The reversal of 89349780 is 8794398.

It is an interprime number because it is at equal distance from previous prime (89349769) and next prime (89349791).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11806 + ... + 17834.

It is an arithmetic number, because the mean of its divisors is an integer number (2954700).

Almost surely, 2^89349780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89349780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141825600).

89349780 is an abundant number, since it is smaller than the sum of its proper divisors (194301420).

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

89349780 is a wasteful number, since it uses less digits than its factorization.

89349780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073 (or 6071 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 89349780 is about 9452.5012562813. The cubic root of 89349780 is about 447.0586433178.

The spelling of 89349780 in words is "eighty-nine million, three hundred forty-nine thousand, seven hundred eighty".