269390245 has 8 divisors (see below), whose sum is σ = 342284184. Its totient is φ = 202834944.

The previous prime is 269390203. The next prime is 269390257. The reversal of 269390245 is 542093962.

It can be written as a sum of positive squares in 4 ways, for example, as 11819844 + 257570401 = 3438^2 + 16049^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 269390245 - 2¹⁵ = 269357477 is a prime.

It is a super-2 number, since 2×269390245² = 145142208202320050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 269390198 and 269390207.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1584564 + ... + 1584733.

It is an arithmetic number, because the mean of its divisors is an integer number (42785523).

Almost surely, 2^269390245 is an apocalyptic number.

It is an amenable number.

269390245 is a deficient number, since it is larger than the sum of its proper divisors (72893939).

269390245 is a wasteful number, since it uses less digits than its factorization.

269390245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169319.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 269390245 is about 16413.1119840206. Note that the first 3 decimals coincide. The cubic root of 269390245 is about 645.8434931273.

The spelling of 269390245 in words is "two hundred sixty-nine million, three hundred ninety thousand, two hundred forty-five".