102388589 has 6 divisors (see below), whose sum is σ = 105975630. Its totient is φ = 98805336.

The previous prime is 102388579. The next prime is 102388619. The reversal of 102388589 is 985883201.

It can be written as a sum of positive squares in only one way, i.e., 88266025 + 14122564 = 9395^2 + 3758^2 .

It is not a de Polignac number, because 102388589 - 2⁸ = 102388333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102388519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53552 + ... + 55430.

It is an arithmetic number, because the mean of its divisors is an integer number (17662605).

Almost surely, 2^102388589 is an apocalyptic number.

It is an amenable number.

102388589 is a deficient number, since it is larger than the sum of its proper divisors (3587041).

102388589 is an frugal number, since it uses more digits than its factorization.

102388589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 102388589 is about 10118.7246726057. The cubic root of 102388589 is about 467.8254593610.

The spelling of 102388589 in words is "one hundred two million, three hundred eighty-eight thousand, five hundred eighty-nine".