334393281 has 12 divisors (see below), whose sum is σ = 511425252. Its totient is φ = 209815296.

The previous prime is 334393259. The next prime is 334393289. The reversal of 334393281 is 182393433.

It can be written as a sum of positive squares in 2 ways, for example, as 137945025 + 196448256 = 11745^2 + 14016^2 .

It is not a de Polignac number, because 334393281 - 2¹⁴ = 334376897 is a prime.

It is a super-2 number, since 2×334393281² = 223637732755889922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (334393289) 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, 1092636 + ... + 1092941.

It is an arithmetic number, because the mean of its divisors is an integer number (42618771).

Almost surely, 2^334393281 is an apocalyptic number.

It is an amenable number.

334393281 is a deficient number, since it is larger than the sum of its proper divisors (177031971).

334393281 is a wasteful number, since it uses less digits than its factorization.

334393281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185600 (or 2185597 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 334393281 is about 18286.4234064510. The cubic root of 334393281 is about 694.0954234050.

The spelling of 334393281 in words is "three hundred thirty-four million, three hundred ninety-three thousand, two hundred eighty-one".