338868431 has 8 divisors (see below), whose sum is σ = 369889104. Its totient is φ = 307883520.

The previous prime is 338868391. The next prime is 338868457. The reversal of 338868431 is 134868833.

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 338868431 - 2¹⁴ = 338852047 is a prime.

It is a super-2 number, since 2×338868431² = 229663627056803522, 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 (338868031) 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, 13295 + ... + 29231.

It is an arithmetic number, because the mean of its divisors is an integer number (46236138).

Almost surely, 2^338868431 is an apocalyptic number.

338868431 is a deficient number, since it is larger than the sum of its proper divisors (31020673).

338868431 is a wasteful number, since it uses less digits than its factorization.

338868431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17881.

The product of its digits is 331776, while the sum is 44.

The square root of 338868431 is about 18408.3793691895. The cubic root of 338868431 is about 697.1780478250.

The spelling of 338868431 in words is "three hundred thirty-eight million, eight hundred sixty-eight thousand, four hundred thirty-one".