339738561 has 12 divisors (see below), whose sum is σ = 492508692. Its totient is φ = 225673056.

The previous prime is 339738527. The next prime is 339738583. The reversal of 339738561 is 165837933.

It can be written as a sum of positive squares in 2 ways, for example, as 162715536 + 177023025 = 12756^2 + 13305^2 .

It is not a de Polignac number, because 339738561 - 2¹⁹ = 339214273 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (339738361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65646 + ... + 70631.

It is an arithmetic number, because the mean of its divisors is an integer number (41042391).

Almost surely, 2^339738561 is an apocalyptic number.

It is an amenable number.

339738561 is a deficient number, since it is larger than the sum of its proper divisors (152770131).

339738561 is a wasteful number, since it uses less digits than its factorization.

339738561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136560 (or 136557 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 339738561 is about 18431.9982910155. The cubic root of 339738561 is about 697.7742645166.

The spelling of 339738561 in words is "three hundred thirty-nine million, seven hundred thirty-eight thousand, five hundred sixty-one".