339840447 has 8 divisors (see below), whose sum is σ = 454844544. Its totient is φ = 225698328.

The previous prime is 339840439. The next prime is 339840451. The reversal of 339840447 is 744048933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 339840447 - 2³ = 339840439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 339840399 and 339840408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339840407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214573 + ... + 216150.

It is an arithmetic number, because the mean of its divisors is an integer number (56855568).

Almost surely, 2^339840447 is an apocalyptic number.

339840447 is a deficient number, since it is larger than the sum of its proper divisors (115004097).

339840447 is a wasteful number, since it uses less digits than its factorization.

339840447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430989.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 339840447 is about 18434.7619187230. The cubic root of 339840447 is about 697.8440106206.

The spelling of 339840447 in words is "three hundred thirty-nine million, eight hundred forty thousand, four hundred forty-seven".