89242320 has 40 divisors (see below), whose sum is σ = 276651936. Its totient is φ = 23797888.

The previous prime is 89242319. The next prime is 89242327. The reversal of 89242320 is 2324298.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89242327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185682 + ... + 186161.

Almost surely, 2^89242320 is an apocalyptic number.

89242320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89242320 is an abundant number, since it is smaller than the sum of its proper divisors (187409616).

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

89242320 is a wasteful number, since it uses less digits than its factorization.

89242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371859 (or 371853 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 89242320 is about 9446.8153363978. The cubic root of 89242320 is about 446.8793472445.

The spelling of 89242320 in words is "eighty-nine million, two hundred forty-two thousand, three hundred twenty".