269949 has 4 divisors (see below), whose sum is σ = 359936. Its totient is φ = 179964.

The previous prime is 269947. The next prime is 269953. The reversal of 269949 is 949962.

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 not a de Polignac number, because 269949 - 2¹ = 269947 is a prime.

It is a d-powerful number, because it can be written as 2 + 6⁵ + 9 + 9 + 4⁹ + 9 .

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44989 + ... + 44994.

It is an arithmetic number, because the mean of its divisors is an integer number (89984).

2²⁶⁹⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

269949 is a deficient number, since it is larger than the sum of its proper divisors (89987).

269949 is an equidigital number, since it uses as much as digits as its factorization.

269949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89986.

The product of its digits is 34992, while the sum is 39.

The square root of 269949 is about 519.5661651801. The cubic root of 269949 is about 64.6289709570.

The spelling of 269949 in words is "two hundred sixty-nine thousand, nine hundred forty-nine".