338449469 has 4 divisors (see below), whose sum is σ = 341554620. Its totient is φ = 335344320.

The previous prime is 338449457. The next prime is 338449483. The reversal of 338449469 is 964944833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 964944833 = 1847 ⋅522439.

It can be written as a sum of positive squares in 2 ways, for example, as 264712900 + 73736569 = 16270^2 + 8587^2 .

It is a cyclic number.

It is not a de Polignac number, because 338449469 - 2²⁸ = 70014013 is a prime.

It is a super-2 number, since 2×338449469² = 229096086132763922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338449499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552412 + ... + 1552629.

It is an arithmetic number, because the mean of its divisors is an integer number (85388655).

Almost surely, 2^338449469 is an apocalyptic number.

It is an amenable number.

338449469 is a deficient number, since it is larger than the sum of its proper divisors (3105151).

338449469 is a wasteful number, since it uses less digits than its factorization.

338449469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105150.

The product of its digits is 2239488, while the sum is 50.

The square root of 338449469 is about 18396.9961950314. The cubic root of 338449469 is about 696.8906092584.

The spelling of 338449469 in words is "three hundred thirty-eight million, four hundred forty-nine thousand, four hundred sixty-nine".