340481839 has 2 divisors, whose sum is σ = 340481840. Its totient is φ = 340481838.

The previous prime is 340481833. The next prime is 340481887. The reversal of 340481839 is 938184043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340481839 - 2⁹ = 340481327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340481833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170240919 + 170240920.

It is an arithmetic number, because the mean of its divisors is an integer number (170240920).

Almost surely, 2^340481839 is an apocalyptic number.

340481839 is a deficient number, since it is larger than the sum of its proper divisors (1).

340481839 is an equidigital number, since it uses as much as digits as its factorization.

340481839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 340481839 is about 18452.1499831320. The cubic root of 340481839 is about 698.2827559982.

The spelling of 340481839 in words is "three hundred forty million, four hundred eighty-one thousand, eight hundred thirty-nine".