340694017 has 4 divisors (see below), whose sum is σ = 347122260. Its totient is φ = 334265776.

The previous prime is 340693987. The next prime is 340694021. The reversal of 340694017 is 710496043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 306635121 + 34058896 = 17511^2 + 5836^2 .

It is a cyclic number.

It is not a de Polignac number, because 340694017 - 2¹⁹ = 340169729 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (340694087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214042 + ... + 3214147.

It is an arithmetic number, because the mean of its divisors is an integer number (86780565).

Almost surely, 2^340694017 is an apocalyptic number.

It is an amenable number.

340694017 is a deficient number, since it is larger than the sum of its proper divisors (6428243).

340694017 is an equidigital number, since it uses as much as digits as its factorization.

340694017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428242.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 340694017 is about 18457.8984990166. The cubic root of 340694017 is about 698.4277754540.

The spelling of 340694017 in words is "three hundred forty million, six hundred ninety-four thousand, seventeen".