3420717 has 4 divisors (see below), whose sum is σ = 4560960. Its totient is φ = 2280476.

The previous prime is 3420713. The next prime is 3420727. The reversal of 3420717 is 7170243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3420717 - 2² = 3420713 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420713) 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, 570117 + ... + 570122.

It is an arithmetic number, because the mean of its divisors is an integer number (1140240).

Almost surely, 2^3420717 is an apocalyptic number.

It is an amenable number.

3420717 is a deficient number, since it is larger than the sum of its proper divisors (1140243).

3420717 is a wasteful number, since it uses less digits than its factorization.

3420717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140242.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 3420717 is about 1849.5180453296. The cubic root of 3420717 is about 150.6742535620.

The spelling of 3420717 in words is "three million, four hundred twenty thousand, seven hundred seventeen".