6402017 has 4 divisors (see below), whose sum is σ = 6407700. Its totient is φ = 6396336.

The previous prime is 6402007. The next prime is 6402041. The reversal of 6402017 is 7102046.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3474496 + 2927521 = 1864^2 + 1711^2 .

It is a cyclic number.

It is not a de Polignac number, because 6402017 - 2⁴ = 6402001 is a prime.

It is an Ulam number.

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 6402017.

It is not an unprimeable number, because it can be changed into a prime (6402007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518 + ... + 3615.

It is an arithmetic number, because the mean of its divisors is an integer number (1601925).

Almost surely, 2^6402017 is an apocalyptic number.

It is an amenable number.

6402017 is a deficient number, since it is larger than the sum of its proper divisors (5683).

6402017 is a wasteful number, since it uses less digits than its factorization.

6402017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 6402017 is about 2530.2207413584. The cubic root of 6402017 is about 185.6830556390.

The spelling of 6402017 in words is "six million, four hundred two thousand, seventeen".