339399281 has 8 divisors (see below), whose sum is σ = 366213120. Its totient is φ = 312686352.

The previous prime is 339399257. The next prime is 339399311. The reversal of 339399281 is 182993933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339399281 is a prime.

It is a super-2 number, since 2×339399281² = 230383743886633922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (339399481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18161 + ... + 31758.

It is an arithmetic number, because the mean of its divisors is an integer number (45776640).

Almost surely, 2^339399281 is an apocalyptic number.

It is an amenable number.

339399281 is a deficient number, since it is larger than the sum of its proper divisors (26813839).

339399281 is a wasteful number, since it uses less digits than its factorization.

339399281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50455.

The product of its digits is 314928, while the sum is 47.

The square root of 339399281 is about 18422.7924322020. The cubic root of 339399281 is about 697.5419096703.

The spelling of 339399281 in words is "three hundred thirty-nine million, three hundred ninety-nine thousand, two hundred eighty-one".