3828866 has 4 divisors (see below), whose sum is σ = 5743302. Its totient is φ = 1914432.

The previous prime is 3828857. The next prime is 3828887. The reversal of 3828866 is 6688283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6688283 = 7 ⋅955469.

It can be written as a sum of positive squares in only one way, i.e., 3222025 + 606841 = 1795^2 + 779^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957215 + ... + 957218.

Almost surely, 2^3828866 is an apocalyptic number.

3828866 is a deficient number, since it is larger than the sum of its proper divisors (1914436).

3828866 is a wasteful number, since it uses less digits than its factorization.

3828866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914435.

The product of its digits is 110592, while the sum is 41.

The square root of 3828866 is about 1956.7488341634. The cubic root of 3828866 is about 156.4432114386.

The spelling of 3828866 in words is "three million, eight hundred twenty-eight thousand, eight hundred sixty-six".