89389842 has 16 divisors (see below), whose sum is σ = 189296352. Its totient is φ = 28043840.

The previous prime is 89389841. The next prime is 89389849. The reversal of 89389842 is 24898398.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (89389841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438084 + ... + 438287.

It is an arithmetic number, because the mean of its divisors is an integer number (11831022).

Almost surely, 2^89389842 is an apocalyptic number.

89389842 is an abundant number, since it is smaller than the sum of its proper divisors (99906510).

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

89389842 is a wasteful number, since it uses less digits than its factorization.

89389842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876393.

The product of its digits is 995328, while the sum is 51.

The square root of 89389842 is about 9454.6201404393. The cubic root of 89389842 is about 447.1254496275.

The spelling of 89389842 in words is "eighty-nine million, three hundred eighty-nine thousand, eight hundred forty-two".