339678445 has 16 divisors (see below), whose sum is σ = 432622080. Its totient is φ = 255147264.

The previous prime is 339678419. The next prime is 339678491. The reversal of 339678445 is 544876933.

It is a cyclic number.

It is not a de Polignac number, because 339678445 - 2²³ = 331289837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32764 + ... + 41866.

It is an arithmetic number, because the mean of its divisors is an integer number (27038880).

Almost surely, 2^339678445 is an apocalyptic number.

It is an amenable number.

339678445 is a deficient number, since it is larger than the sum of its proper divisors (92943635).

339678445 is a wasteful number, since it uses less digits than its factorization.

339678445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564.

The product of its digits is 2177280, while the sum is 49.

The square root of 339678445 is about 18430.3674678504. The cubic root of 339678445 is about 697.7331055423.

The spelling of 339678445 in words is "three hundred thirty-nine million, six hundred seventy-eight thousand, four hundred forty-five".