89139583 has 16 divisors (see below), whose sum is σ = 101459680. Its totient is φ = 77635584.

The previous prime is 89139581. The next prime is 89139607. The reversal of 89139583 is 38593198.

It is not a de Polignac number, because 89139583 - 2¹ = 89139581 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89139581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76735 + ... + 77887.

It is an arithmetic number, because the mean of its divisors is an integer number (6341230).

Almost surely, 2^89139583 is an apocalyptic number.

89139583 is a deficient number, since it is larger than the sum of its proper divisors (12320097).

89139583 is a wasteful number, since it uses less digits than its factorization.

89139583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498.

The product of its digits is 233280, while the sum is 46.

The square root of 89139583 is about 9441.3761179184. The cubic root of 89139583 is about 446.7077968239.

It can be divided in two parts, 8913 and 9583, that added together give a square (18496 = 136²).

The spelling of 89139583 in words is "eighty-nine million, one hundred thirty-nine thousand, five hundred eighty-three".