3801566 has 8 divisors (see below), whose sum is σ = 5771304. Its totient is φ = 1877800.

The previous prime is 3801541. The next prime is 3801571. The reversal of 3801566 is 6651083.

3801566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11285 + ... + 11616.

It is an arithmetic number, because the mean of its divisors is an integer number (721413).

Almost surely, 2^3801566 is an apocalyptic number.

3801566 is a deficient number, since it is larger than the sum of its proper divisors (1969738).

3801566 is a wasteful number, since it uses less digits than its factorization.

3801566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22986.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3801566 is about 1949.7604981125. The cubic root of 3801566 is about 156.0705083419.

The spelling of 3801566 in words is "three million, eight hundred one thousand, five hundred sixty-six".