3866246 has 4 divisors (see below), whose sum is σ = 5799372. Its totient is φ = 1933122.

The previous prime is 3866243. The next prime is 3866263. The reversal of 3866246 is 6426683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6426683 = 23 ⋅279421.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966560 + ... + 966563.

It is an arithmetic number, because the mean of its divisors is an integer number (1449843).

Almost surely, 2^3866246 is an apocalyptic number.

3866246 is a deficient number, since it is larger than the sum of its proper divisors (1933126).

3866246 is a wasteful number, since it uses less digits than its factorization.

3866246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933125.

The product of its digits is 41472, while the sum is 35.

The square root of 3866246 is about 1966.2771930732. The cubic root of 3866246 is about 156.9506653921.

The spelling of 3866246 in words is "three million, eight hundred sixty-six thousand, two hundred forty-six".