338126399 has 16 divisors (see below), whose sum is σ = 381494400. Its totient is φ = 297513216.

The previous prime is 338126389. The next prime is 338126407. The reversal of 338126399 is 993621833.

It is not a de Polignac number, because 338126399 - 2⁸ = 338126143 is a prime.

It is a super-2 number, since 2×338126399² = 228658923401414402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338126309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24107 + ... + 35459.

It is an arithmetic number, because the mean of its divisors is an integer number (23843400).

Almost surely, 2^338126399 is an apocalyptic number.

338126399 is a deficient number, since it is larger than the sum of its proper divisors (43368001).

338126399 is a wasteful number, since it uses less digits than its factorization.

338126399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11474.

The product of its digits is 209952, while the sum is 44.

The square root of 338126399 is about 18388.2135891445. The cubic root of 338126399 is about 696.6687975892.

The spelling of 338126399 in words is "three hundred thirty-eight million, one hundred twenty-six thousand, three hundred ninety-nine".