6403217 has 4 divisors (see below), whose sum is σ = 6433776. Its totient is φ = 6372660.

The previous prime is 6403193. The next prime is 6403219. The reversal of 6403217 is 7123046.

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 6403217 - 2⁶ = 6403153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6403192 and 6403201.

It is not an unprimeable number, because it can be changed into a prime (6403219) 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, 14963 + ... + 15384.

It is an arithmetic number, because the mean of its divisors is an integer number (1608444).

Almost surely, 2^6403217 is an apocalyptic number.

It is an amenable number.

6403217 is a deficient number, since it is larger than the sum of its proper divisors (30559).

6403217 is a wasteful number, since it uses less digits than its factorization.

6403217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30558.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 6403217 is about 2530.4578637077. The cubic root of 6403217 is about 185.6946564489.

The spelling of 6403217 in words is "six million, four hundred three thousand, two hundred seventeen".