6402617 has 8 divisors (see below), whose sum is σ = 6941256. Its totient is φ = 5870592.

The previous prime is 6402593. The next prime is 6402619. The reversal of 6402617 is 7162046.

6402617 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1290496 + 5112121 = 1136^2 + 2261^2 .

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

It is not a de Polignac number, because 6402617 - 2¹⁸ = 6140473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473 + ... + 3609.

It is an arithmetic number, because the mean of its divisors is an integer number (867657).

Almost surely, 2^6402617 is an apocalyptic number.

It is an amenable number.

6402617 is a deficient number, since it is larger than the sum of its proper divisors (538639).

6402617 is a wasteful number, since it uses less digits than its factorization.

6402617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 6402617 is about 2530.3393053107. The cubic root of 6402617 is about 185.6888562251.

The spelling of 6402617 in words is "six million, four hundred two thousand, six hundred seventeen".