338081769 has 27 divisors (see below), whose sum is σ = 509340637. Its totient is φ = 224394948.

The previous prime is 338081743. The next prime is 338081773. The reversal of 338081769 is 967180833.

It is a happy number.

The square root of 338081769 is 18387.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (27).

It is not a de Polignac number, because 338081769 - 2¹⁵ = 338049001 is a prime.

It is a super-2 number, since 2×338081769² = 228598565060338722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338081069) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1489234 + ... + 1489460.

Almost surely, 2^338081769 is an apocalyptic number.

338081769 is the 18387-th square number.

338081769 is the 9194-th centered octagonal number.

It is an amenable number.

338081769 is a deficient number, since it is larger than the sum of its proper divisors (171258868).

338081769 is an frugal number, since it uses more digits than its factorization.

338081769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The cubic root of 338081769 is about 696.6381446572.

The spelling of 338081769 in words is "three hundred thirty-eight million, eighty-one thousand, seven hundred sixty-nine".