3818566 has 4 divisors (see below), whose sum is σ = 5727852. Its totient is φ = 1909282.

The previous prime is 3818561. The next prime is 3818587. The reversal of 3818566 is 6658183.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 954640 + ... + 954643.

It is an arithmetic number, because the mean of its divisors is an integer number (1431963).

Almost surely, 2^3818566 is an apocalyptic number.

3818566 is a deficient number, since it is larger than the sum of its proper divisors (1909286).

3818566 is a wasteful number, since it uses less digits than its factorization.

3818566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909285.

The product of its digits is 34560, while the sum is 37.

The square root of 3818566 is about 1954.1151450209. The cubic root of 3818566 is about 156.3028032736.

The spelling of 3818566 in words is "three million, eight hundred eighteen thousand, five hundred sixty-six".