338393923 has 16 divisors (see below), whose sum is σ = 406757376. Its totient is φ = 275389920.

The previous prime is 338393903. The next prime is 338393927. The reversal of 338393923 is 329393833.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338393923 is a prime.

It is a super-2 number, since 2×338393923² = 229020894246659858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 338393923.

It is not an unprimeable number, because it can be changed into a prime (338393927) 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, 3211 + ... + 26212.

It is an arithmetic number, because the mean of its divisors is an integer number (25422336).

Almost surely, 2^338393923 is an apocalyptic number.

338393923 is a deficient number, since it is larger than the sum of its proper divisors (68363453).

338393923 is a wasteful number, since it uses less digits than its factorization.

338393923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29514.

The product of its digits is 314928, while the sum is 43.

The square root of 338393923 is about 18395.4864844613. The cubic root of 338393923 is about 696.8524828347.

The spelling of 338393923 in words is "three hundred thirty-eight million, three hundred ninety-three thousand, nine hundred twenty-three".