338645713 has 12 divisors (see below), whose sum is σ = 395986980. Its totient is φ = 288755712.

The previous prime is 338645707. The next prime is 338645717. The reversal of 338645713 is 317546833.

It can be written as a sum of positive squares in 2 ways, for example, as 124813584 + 213832129 = 11172^2 + 14623^2 .

It is not a de Polignac number, because 338645713 - 2²¹ = 336548561 is a prime.

It is a super-2 number, since 2×338645713² = 229361837866556738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338645717) 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, 8448 + ... + 27361.

It is an arithmetic number, because the mean of its divisors is an integer number (32998915).

Almost surely, 2^338645713 is an apocalyptic number.

It is an amenable number.

338645713 is a deficient number, since it is larger than the sum of its proper divisors (57341267).

338645713 is a wasteful number, since it uses less digits than its factorization.

338645713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36016 (or 36009 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 338645713 is about 18402.3290102096. The cubic root of 338645713 is about 697.0252765072.

The spelling of 338645713 in words is "three hundred thirty-eight million, six hundred forty-five thousand, seven hundred thirteen".