269381489 has 8 divisors (see below), whose sum is σ = 291235560. Its totient is φ = 247689216.

The previous prime is 269381479. The next prime is 269381503. The reversal of 269381489 is 984183962.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74304400 + 195077089 = 8620^2 + 13967^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269381489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (269381419) 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, 36974 + ... + 43655.

It is an arithmetic number, because the mean of its divisors is an integer number (36404445).

Almost surely, 2^269381489 is an apocalyptic number.

It is an amenable number.

269381489 is a deficient number, since it is larger than the sum of its proper divisors (21854071).

269381489 is a wasteful number, since it uses less digits than its factorization.

269381489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80899.

The product of its digits is 746496, while the sum is 50.

The square root of 269381489 is about 16412.8452438936. The cubic root of 269381489 is about 645.8364957607.

The spelling of 269381489 in words is "two hundred sixty-nine million, three hundred eighty-one thousand, four hundred eighty-nine".