3896866 has 4 divisors (see below), whose sum is σ = 5845302. Its totient is φ = 1948432.

The previous prime is 3896861. The next prime is 3896887. The reversal of 3896866 is 6686983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2653641 + 1243225 = 1629^2 + 1115^2 .

It is not an unprimeable number, because it can be changed into a prime (3896861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974215 + ... + 974218.

Almost surely, 2^3896866 is an apocalyptic number.

3896866 is a deficient number, since it is larger than the sum of its proper divisors (1948436).

3896866 is a wasteful number, since it uses less digits than its factorization.

3896866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948435.

The product of its digits is 373248, while the sum is 46.

The square root of 3896866 is about 1974.0481250466. The cubic root of 3896866 is about 157.3639170572.

The spelling of 3896866 in words is "three million, eight hundred ninety-six thousand, eight hundred sixty-six".