3786947 has 4 divisors (see below), whose sum is σ = 3986280. Its totient is φ = 3587616.

The previous prime is 3786919. The next prime is 3786953. The reversal of 3786947 is 7496873.

3786947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7496873 = 23 ⋅325951.

It is a cyclic number.

It is not a de Polignac number, because 3786947 - 2¹⁰ = 3785923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3786898 and 3786907.

It is not an unprimeable number, because it can be changed into a prime (3786047) by changing a digit.

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, 99638 + ... + 99675.

It is an arithmetic number, because the mean of its divisors is an integer number (996570).

Almost surely, 2^3786947 is an apocalyptic number.

3786947 is a deficient number, since it is larger than the sum of its proper divisors (199333).

3786947 is a wasteful number, since it uses less digits than its factorization.

3786947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199332.

The product of its digits is 254016, while the sum is 44.

The square root of 3786947 is about 1946.0079650402. The cubic root of 3786947 is about 155.8701939043.

The spelling of 3786947 in words is "three million, seven hundred eighty-six thousand, nine hundred forty-seven".