88909 has 4 divisors (see below), whose sum is σ = 90304. Its totient is φ = 87516.

The previous prime is 88903. The next prime is 88919. The reversal of 88909 is 90988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88909 - 2⁹ = 88397 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597 + ... + 730.

It is an arithmetic number, because the mean of its divisors is an integer number (22576).

2⁸⁸⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

88909 is a deficient number, since it is larger than the sum of its proper divisors (1395).

88909 is a wasteful number, since it uses less digits than its factorization.

88909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 88909 is about 298.1761224511. The cubic root of 88909 is about 44.6322288451.

The spelling of 88909 in words is "eighty-eight thousand, nine hundred nine".