4256417 has 12 divisors (see below), whose sum is σ = 4843860. Its totient is φ = 3732960.

The previous prime is 4256407. The next prime is 4256429. The reversal of 4256417 is 7146524.

It can be written as a sum of positive squares in 2 ways, for example, as 1002001 + 3254416 = 1001^2 + 1804^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4256417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 4256417.

It is not an unprimeable number, because it can be changed into a prime (4256407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2903 + ... + 4115.

It is an arithmetic number, because the mean of its divisors is an integer number (403655).

Almost surely, 2^4256417 is an apocalyptic number.

It is an amenable number.

4256417 is a deficient number, since it is larger than the sum of its proper divisors (587443).

4256417 is a wasteful number, since it uses less digits than its factorization.

4256417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1253 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 4256417 is about 2063.1085768810. The cubic root of 4256417 is about 162.0620729459.

The spelling of 4256417 in words is "four million, two hundred fifty-six thousand, four hundred seventeen".