3866356 has 12 divisors (see below), whose sum is σ = 7286692. Its totient is φ = 1784448.

The previous prime is 3866333. The next prime is 3866393. The reversal of 3866356 is 6536683.

It can be written as a sum of positive squares in 2 ways, for example, as 1664100 + 2202256 = 1290^2 + 1484^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37125 + ... + 37228.

Almost surely, 2^3866356 is an apocalyptic number.

It is an amenable number.

3866356 is a deficient number, since it is larger than the sum of its proper divisors (3420336).

3866356 is a wasteful number, since it uses less digits than its factorization.

3866356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74370 (or 74368 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 3866356 is about 1966.3051645154. The cubic root of 3866356 is about 156.9521538652.

The spelling of 3866356 in words is "three million, eight hundred sixty-six thousand, three hundred fifty-six".