340907417 has 2 divisors, whose sum is σ = 340907418. Its totient is φ = 340907416.

The previous prime is 340907407. The next prime is 340907429. The reversal of 340907417 is 714709043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279190681 + 61716736 = 16709^2 + 7856^2 .

It is an emirp because it is prime and its reverse (714709043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340907417 - 2⁶ = 340907353 is a prime.

It is a super-2 number, since 2×340907417² = 232435733931223778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340907407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170453708 + 170453709.

It is an arithmetic number, because the mean of its divisors is an integer number (170453709).

Almost surely, 2^340907417 is an apocalyptic number.

It is an amenable number.

340907417 is a deficient number, since it is larger than the sum of its proper divisors (1).

340907417 is an equidigital number, since it uses as much as digits as its factorization.

340907417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 340907417 is about 18463.6783171718. The cubic root of 340907417 is about 698.5735694037.

The spelling of 340907417 in words is "three hundred forty million, nine hundred seven thousand, four hundred seventeen".