3782566 has 4 divisors (see below), whose sum is σ = 5673852. Its totient is φ = 1891282.

The previous prime is 3782561. The next prime is 3782567. The reversal of 3782566 is 6652873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6652873 = 103 ⋅64591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3782561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945640 + ... + 945643.

It is an arithmetic number, because the mean of its divisors is an integer number (1418463).

Almost surely, 2^3782566 is an apocalyptic number.

3782566 is a deficient number, since it is larger than the sum of its proper divisors (1891286).

3782566 is a wasteful number, since it uses less digits than its factorization.

3782566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891285.

The product of its digits is 60480, while the sum is 37.

The square root of 3782566 is about 1944.8820015620. The cubic root of 3782566 is about 155.8100636007.

The spelling of 3782566 in words is "three million, seven hundred eighty-two thousand, five hundred sixty-six".