89589381 has 32 divisors (see below), whose sum is σ = 142275840. Its totient is φ = 49061376.

The previous prime is 89589361. The next prime is 89589391. The reversal of 89589381 is 18398598.

It is not a de Polignac number, because 89589381 - 2⁹ = 89588869 is a prime.

It is a super-2 number, since 2×89589381² = 16052514375926322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89589341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95145 + ... + 96081.

It is an arithmetic number, because the mean of its divisors is an integer number (4446120).

Almost surely, 2^89589381 is an apocalyptic number.

It is an amenable number.

89589381 is a deficient number, since it is larger than the sum of its proper divisors (52686459).

89589381 is a wasteful number, since it uses less digits than its factorization.

89589381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its digits is 622080, while the sum is 51.

The square root of 89589381 is about 9465.1667180246. The cubic root of 89589381 is about 447.4578985183.

The spelling of 89589381 in words is "eighty-nine million, five hundred eighty-nine thousand, three hundred eighty-one".