269421 has 8 divisors (see below), whose sum is σ = 370944. Its totient is φ = 173760.

The previous prime is 269419. The next prime is 269429. The reversal of 269421 is 124962.

269421 = 169² + 170² + ... + 177².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 269421 - 2¹ = 269419 is a prime.

269421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 269391 and 269400.

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 269421.

It is not an unprimeable number, because it can be changed into a prime (269429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356 + ... + 1541.

It is an arithmetic number, because the mean of its divisors is an integer number (46368).

2²⁶⁹⁴²¹ is an apocalyptic number.

It is an amenable number.

269421 is a deficient number, since it is larger than the sum of its proper divisors (101523).

269421 is a wasteful number, since it uses less digits than its factorization.

269421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931.

The product of its digits is 864, while the sum is 24.

The square root of 269421 is about 519.0578002496. The cubic root of 269421 is about 64.5868069816.

The spelling of 269421 in words is "two hundred sixty-nine thousand, four hundred twenty-one".