3486866 has 4 divisors (see below), whose sum is σ = 5230302. Its totient is φ = 1743432.

The previous prime is 3486863. The next prime is 3486871. The reversal of 3486866 is 6686843.

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., 2544025 + 942841 = 1595^2 + 971^2 .

It is not an unprimeable number, because it can be changed into a prime (3486863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871715 + ... + 871718.

Almost surely, 2^3486866 is an apocalyptic number.

3486866 is a deficient number, since it is larger than the sum of its proper divisors (1743436).

3486866 is a wasteful number, since it uses less digits than its factorization.

3486866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743435.

The product of its digits is 165888, while the sum is 41.

The square root of 3486866 is about 1867.3151849648. The cubic root of 3486866 is about 151.6392935880.

The spelling of 3486866 in words is "three million, four hundred eighty-six thousand, eight hundred sixty-six".