339315649 has 4 divisors (see below), whose sum is σ = 340523460. Its totient is φ = 338107840.

The previous prime is 339315643. The next prime is 339315653. The reversal of 339315649 is 946513933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 946513933 = 13931 ⋅67943.

It can be written as a sum of positive squares in 2 ways, for example, as 83539600 + 255776049 = 9140^2 + 15993^2 .

It is a cyclic number.

It is not a de Polignac number, because 339315649 - 2⁷ = 339315521 is a prime.

It is a super-3 number, since 3×339315649³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (339315643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603484 + ... + 604045.

It is an arithmetic number, because the mean of its divisors is an integer number (85130865).

Almost surely, 2^339315649 is an apocalyptic number.

It is an amenable number.

339315649 is a deficient number, since it is larger than the sum of its proper divisors (1207811).

339315649 is a wasteful number, since it uses less digits than its factorization.

339315649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207810.

The product of its digits is 262440, while the sum is 43.

The square root of 339315649 is about 18420.5224953040. The cubic root of 339315649 is about 697.4846107694.

The spelling of 339315649 in words is "three hundred thirty-nine million, three hundred fifteen thousand, six hundred forty-nine".