338845399 has 2 divisors, whose sum is σ = 338845400. Its totient is φ = 338845398.

The previous prime is 338845391. The next prime is 338845427. The reversal of 338845399 is 993548833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338845399 - 2³ = 338845391 is a prime.

It is a super-2 number, since 2×338845399² = 229632408846938402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338845391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169422699 + 169422700.

It is an arithmetic number, because the mean of its divisors is an integer number (169422700).

Almost surely, 2^338845399 is an apocalyptic number.

338845399 is a deficient number, since it is larger than the sum of its proper divisors (1).

338845399 is an equidigital number, since it uses as much as digits as its factorization.

338845399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 52.

The square root of 338845399 is about 18407.7537738856. The cubic root of 338845399 is about 697.1622523450.

The spelling of 338845399 in words is "three hundred thirty-eight million, eight hundred forty-five thousand, three hundred ninety-nine".