340046839 has 8 divisors (see below), whose sum is σ = 375129360. Its totient is φ = 305659200.

The previous prime is 340046831. The next prime is 340046867. The reversal of 340046839 is 938640043.

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

It is not a de Polignac number, because 340046839 - 2³ = 340046831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340046798 and 340046807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340046831) 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, 172692 + ... + 174649.

It is an arithmetic number, because the mean of its divisors is an integer number (46891170).

Almost surely, 2^340046839 is an apocalyptic number.

340046839 is a deficient number, since it is larger than the sum of its proper divisors (35082521).

340046839 is a wasteful number, since it uses less digits than its factorization.

340046839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347441.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 340046839 is about 18440.3589715602. The cubic root of 340046839 is about 697.9852536409.

The spelling of 340046839 in words is "three hundred forty million, forty-six thousand, eight hundred thirty-nine".