3866392 has 16 divisors (see below), whose sum is σ = 7565040. Its totient is φ = 1849056.

The previous prime is 3866333. The next prime is 3866393. The reversal of 3866392 is 2936683.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10323 + ... + 10690.

It is an arithmetic number, because the mean of its divisors is an integer number (472815).

Almost surely, 2^3866392 is an apocalyptic number.

It is an amenable number.

3866392 is a deficient number, since it is larger than the sum of its proper divisors (3698648).

3866392 is a wasteful number, since it uses less digits than its factorization.

3866392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21042 (or 21038 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 3866392 is about 1966.3143187192. The cubic root of 3866392 is about 156.9526409957.

It can be divided in two parts, 38663 and 92, that multiplied together give a square (3556996 = 1886²).

The spelling of 3866392 in words is "three million, eight hundred sixty-six thousand, three hundred ninety-two".