340043739 has 8 divisors (see below), whose sum is σ = 518161920. Its totient is φ = 194310696.

The previous prime is 340043687. The next prime is 340043747. The reversal of 340043739 is 937340043.

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

It is not a de Polignac number, because 340043739 - 2⁷ = 340043611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340043749) 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, 8096259 + ... + 8096300.

It is an arithmetic number, because the mean of its divisors is an integer number (64770240).

Almost surely, 2^340043739 is an apocalyptic number.

340043739 is a deficient number, since it is larger than the sum of its proper divisors (178118181).

340043739 is a wasteful number, since it uses less digits than its factorization.

340043739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16192569.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 340043739 is about 18440.2749166058. The cubic root of 340043739 is about 697.9831325990.

The spelling of 340043739 in words is "three hundred forty million, forty-three thousand, seven hundred thirty-nine".