338769399 has 4 divisors (see below), whose sum is σ = 451692536. Its totient is φ = 225846264.

The previous prime is 338769377. The next prime is 338769401. The reversal of 338769399 is 993967833.

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

It is not a de Polignac number, because 338769399 - 2¹³ = 338761207 is a prime.

It is a super-2 number, since 2×338769399² = 229529411397642402, 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 (338769349) 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, 56461564 + ... + 56461569.

It is an arithmetic number, because the mean of its divisors is an integer number (112923134).

Almost surely, 2^338769399 is an apocalyptic number.

338769399 is a deficient number, since it is larger than the sum of its proper divisors (112923137).

338769399 is a wasteful number, since it uses less digits than its factorization.

338769399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112923136.

The product of its digits is 6613488, while the sum is 57.

The square root of 338769399 is about 18405.6893106452. The cubic root of 338769399 is about 697.1101260232.

The spelling of 338769399 in words is "three hundred thirty-eight million, seven hundred sixty-nine thousand, three hundred ninety-nine".