269261421 has 24 divisors (see below), whose sum is σ = 424982880. Its totient is φ = 150633120.

The previous prime is 269261417. The next prime is 269261429. The reversal of 269261421 is 124162962.

It is not a de Polignac number, because 269261421 - 2² = 269261417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269261429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23811 + ... + 33248.

It is an arithmetic number, because the mean of its divisors is an integer number (17707620).

Almost surely, 2^269261421 is an apocalyptic number.

It is an amenable number.

269261421 is a deficient number, since it is larger than the sum of its proper divisors (155721459).

269261421 is a wasteful number, since it uses less digits than its factorization.

269261421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57097 (or 57086 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 269261421 is about 16409.1870913827. The cubic root of 269261421 is about 645.7405279934.

The spelling of 269261421 in words is "two hundred sixty-nine million, two hundred sixty-one thousand, four hundred twenty-one".