6406417 has 4 divisors (see below), whose sum is σ = 6431040. Its totient is φ = 6381796.

The previous prime is 6406381. The next prime is 6406427. The reversal of 6406417 is 7146046.

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 6406417 - 2¹¹ = 6404369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6406427) 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, 11917 + ... + 12442.

It is an arithmetic number, because the mean of its divisors is an integer number (1607760).

Almost surely, 2^6406417 is an apocalyptic number.

It is an amenable number.

6406417 is a deficient number, since it is larger than the sum of its proper divisors (24623).

6406417 is a wasteful number, since it uses less digits than its factorization.

6406417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24622.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6406417 is about 2531.0900813681. The cubic root of 6406417 is about 185.7255848578.

The spelling of 6406417 in words is "six million, four hundred six thousand, four hundred seventeen".