269399 has 16 divisors (see below), whose sum is σ = 326592. Its totient is φ = 219648.

The previous prime is 269393. The next prime is 269413. The reversal of 269399 is 993962.

It is not a de Polignac number, because 269399 - 2⁴ = 269383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 269399.

It is not an unprimeable number, because it can be changed into a prime (269393) 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, 5057 + ... + 5109.

It is an arithmetic number, because the mean of its divisors is an integer number (20412).

2²⁶⁹³⁹⁹ is an apocalyptic number.

269399 is a deficient number, since it is larger than the sum of its proper divisors (57193).

269399 is a wasteful number, since it uses less digits than its factorization.

269399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106.

The product of its digits is 26244, while the sum is 38.

The square root of 269399 is about 519.0366075721. The cubic root of 269399 is about 64.5850489543.

Subtracting from 269399 its sum of digits (38), we obtain a square (269361 = 519²).

The spelling of 269399 in words is "two hundred sixty-nine thousand, three hundred ninety-nine".