89215140 has 96 divisors (see below), whose sum is σ = 293255424. Its totient is φ = 19837440.

The previous prime is 89215129. The next prime is 89215151. The reversal of 89215140 is 4151298.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89215129) and next prime (89215151).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 89215098 and 89215107.

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, 12670 + ... + 18410.

It is an arithmetic number, because the mean of its divisors is an integer number (3054744).

Almost surely, 2^89215140 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 89215140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146627712).

89215140 is an abundant number, since it is smaller than the sum of its proper divisors (204040284).

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

89215140 is a wasteful number, since it uses less digits than its factorization.

89215140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797 (or 5795 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 89215140 is about 9445.3766468045. The cubic root of 89215140 is about 446.8339748473.

The spelling of 89215140 in words is "eighty-nine million, two hundred fifteen thousand, one hundred forty".