338399377 has 4 divisors (see below), whose sum is σ = 341562096. Its totient is φ = 335236660.

The previous prime is 338399371. The next prime is 338399381. The reversal of 338399377 is 773993833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338399377 is a prime.

It is a super-2 number, since 2×338399377² = 229028276707976258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338399371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581199 + ... + 1581412.

It is an arithmetic number, because the mean of its divisors is an integer number (85390524).

Almost surely, 2^338399377 is an apocalyptic number.

It is an amenable number.

338399377 is a deficient number, since it is larger than the sum of its proper divisors (3162719).

338399377 is a wasteful number, since it uses less digits than its factorization.

338399377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162718.

The product of its digits is 2571912, while the sum is 52.

The square root of 338399377 is about 18395.6347267497. The cubic root of 338399377 is about 696.8562266106.

The spelling of 338399377 in words is "three hundred thirty-eight million, three hundred ninety-nine thousand, three hundred seventy-seven".