3873566 has 4 divisors (see below), whose sum is σ = 5810352. Its totient is φ = 1936782.

The previous prime is 3873517. The next prime is 3873577. The reversal of 3873566 is 6653783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6653783 = 17 ⋅391399.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 968390 + ... + 968393.

It is an arithmetic number, because the mean of its divisors is an integer number (1452588).

Almost surely, 2^3873566 is an apocalyptic number.

3873566 is a deficient number, since it is larger than the sum of its proper divisors (1936786).

3873566 is a wasteful number, since it uses less digits than its factorization.

3873566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936785.

The product of its digits is 90720, while the sum is 38.

The square root of 3873566 is about 1968.1376984347. The cubic root of 3873566 is about 157.0496550039.

The spelling of 3873566 in words is "three million, eight hundred seventy-three thousand, five hundred sixty-six".