338274399 has 4 divisors (see below), whose sum is σ = 451032536. Its totient is φ = 225516264.

The previous prime is 338274361. The next prime is 338274403. The reversal of 338274399 is 993472833.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 338274399 - 2¹¹ = 338272351 is a prime.

It is a super-2 number, since 2×338274399² = 228859138037622402, 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 (338274319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56379064 + ... + 56379069.

It is an arithmetic number, because the mean of its divisors is an integer number (112758134).

Almost surely, 2^338274399 is an apocalyptic number.

338274399 is a deficient number, since it is larger than the sum of its proper divisors (112758137).

338274399 is a wasteful number, since it uses less digits than its factorization.

338274399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112758136.

The product of its digits is 979776, while the sum is 48.

The square root of 338274399 is about 18392.2374658441. The cubic root of 338274399 is about 696.7704281653.

It can be divided in two parts, 33827 and 4399, that added together give a triangular number (38226 = T₂₇₆).

The spelling of 338274399 in words is "three hundred thirty-eight million, two hundred seventy-four thousand, three hundred ninety-nine".