340712239 has 6 divisors (see below), whose sum is σ = 396338784. Its totient is φ = 292039020.

The previous prime is 340712167. The next prime is 340712257. The reversal of 340712239 is 932217043.

It is not a de Polignac number, because 340712239 - 2²⁷ = 206494511 is a prime.

It is a super-4 number, since 4×340712239⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340712239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340712269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3476607 + ... + 3476704.

It is an arithmetic number, because the mean of its divisors is an integer number (66056464).

Almost surely, 2^340712239 is an apocalyptic number.

340712239 is a deficient number, since it is larger than the sum of its proper divisors (55626545).

340712239 is an equidigital number, since it uses as much as digits as its factorization.

340712239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953325 (or 6953318 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 340712239 is about 18458.3921022390. The cubic root of 340712239 is about 698.4402270218.

The spelling of 340712239 in words is "three hundred forty million, seven hundred twelve thousand, two hundred thirty-nine".