89298720 has 192 divisors, whose sum is σ = 357315840. Its totient is φ = 20404224.

The previous prime is 89298707. The next prime is 89298733. The reversal of 89298720 is 2789298.

It is an interprime number because it is at equal distance from previous prime (89298707) and next prime (89298733).

It is a super-2 number, since 2×89298720² = 15948522787276800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28764 + ... + 31716.

It is an arithmetic number, because the mean of its divisors is an integer number (1861020).

Almost surely, 2^89298720 is an apocalyptic number.

89298720 is a gapful number since it is divisible by the number (80) 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 89298720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178657920).

89298720 is an abundant number, since it is smaller than the sum of its proper divisors (268017120).

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

89298720 is a wasteful number, since it uses less digits than its factorization.

89298720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 2970 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 89298720 is about 9449.7999978836. The cubic root of 89298720 is about 446.9734680887.

The spelling of 89298720 in words is "eighty-nine million, two hundred ninety-eight thousand, seven hundred twenty".