2666417 has 8 divisors (see below), whose sum is σ = 2884224. Its totient is φ = 2450448.

The previous prime is 2666393. The next prime is 2666423. The reversal of 2666417 is 7146662.

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

It is not a de Polignac number, because 2666417 - 2¹⁴ = 2650033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5528 + ... + 5990.

It is an arithmetic number, because the mean of its divisors is an integer number (360528).

2^2666417 is an apocalyptic number.

It is an amenable number.

2666417 is a deficient number, since it is larger than the sum of its proper divisors (217807).

2666417 is a wasteful number, since it uses less digits than its factorization.

2666417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919.

The product of its digits is 12096, while the sum is 32.

The square root of 2666417 is about 1632.9167155737. The cubic root of 2666417 is about 138.6679270051.

The spelling of 2666417 in words is "two million, six hundred sixty-six thousand, four hundred seventeen".