4075866 has 16 divisors (see below), whose sum is σ = 9057600. Its totient is φ = 1358604.

The previous prime is 4075831. The next prime is 4075871. The reversal of 4075866 is 6685704.

It is a happy number.

It is a super-2 number, since 2×4075866² = 33225367299912, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4075866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37686 + ... + 37793.

It is an arithmetic number, because the mean of its divisors is an integer number (566100).

Almost surely, 2^4075866 is an apocalyptic number.

4075866 is an abundant number, since it is smaller than the sum of its proper divisors (4981734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4075866 is a wasteful number, since it uses less digits than its factorization.

4075866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75490 (or 75484 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4075866 is about 2018.8774108400. The cubic root of 4075866 is about 159.7374078108.

The spelling of 4075866 in words is "four million, seventy-five thousand, eight hundred sixty-six".