269428 has 12 divisors (see below), whose sum is σ = 475300. Its totient is φ = 133632.

The previous prime is 269419. The next prime is 269429. The reversal of 269428 is 824962.

It can be written as a sum of positive squares in 2 ways, for example, as 131044 + 138384 = 362^2 + 372^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 269428.

It is a congruent number.

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

269428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598 + ... + 946.

2²⁶⁹⁴²⁸ is an apocalyptic number.

It is an amenable number.

269428 is a deficient number, since it is larger than the sum of its proper divisors (205872).

269428 is a wasteful number, since it uses less digits than its factorization.

269428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 544 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 269428 is about 519.0645431928. The cubic root of 269428 is about 64.5873663339.

The spelling of 269428 in words is "two hundred sixty-nine thousand, four hundred twenty-eight".