4266681 has 4 divisors (see below), whose sum is σ = 5688912. Its totient is φ = 2844452.

The previous prime is 4266679. The next prime is 4266709. The reversal of 4266681 is 1866624.

It is a happy number.

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 4266681 - 2¹ = 4266679 is a prime.

It is a super-2 number, since 2×4266681² = 36409133511522, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

4266681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4266601) 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, 711111 + ... + 711116.

It is an arithmetic number, because the mean of its divisors is an integer number (1422228).

Almost surely, 2^4266681 is an apocalyptic number.

It is an amenable number.

4266681 is a deficient number, since it is larger than the sum of its proper divisors (1422231).

4266681 is a wasteful number, since it uses less digits than its factorization.

4266681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422230.

The product of its digits is 13824, while the sum is 33.

The square root of 4266681 is about 2065.5945875220. The cubic root of 4266681 is about 162.1922348364.

The spelling of 4266681 in words is "four million, two hundred sixty-six thousand, six hundred eighty-one".