339042393 has 12 divisors (see below), whose sum is σ = 506615460. Its totient is φ = 218234016.

The previous prime is 339042391. The next prime is 339042397. The reversal of 339042393 is 393240933.

It can be written as a sum of positive squares in 2 ways, for example, as 278622864 + 60419529 = 16692^2 + 7773^2 .

It is not a de Polignac number, because 339042393 - 2¹ = 339042391 is a prime.

It is a super-2 number, since 2×339042393² = 229899488502332898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (339042391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649246 + ... + 649767.

It is an arithmetic number, because the mean of its divisors is an integer number (42217955).

Almost surely, 2^339042393 is an apocalyptic number.

It is an amenable number.

339042393 is a deficient number, since it is larger than the sum of its proper divisors (167573067).

339042393 is a wasteful number, since it uses less digits than its factorization.

339042393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299048 (or 1299045 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 36.

The square root of 339042393 is about 18413.1038393857. The cubic root of 339042393 is about 697.2973288679.

The spelling of 339042393 in words is "three hundred thirty-nine million, forty-two thousand, three hundred ninety-three".