3599866 has 8 divisors (see below), whose sum is σ = 5501844. Its totient is φ = 1765920.

The previous prime is 3599851. The next prime is 3599879. The reversal of 3599866 is 6689953.

It can be written as a sum of positive squares in 2 ways, for example, as 3500641 + 99225 = 1871^2 + 315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 16875 + ... + 17086.

Almost surely, 2^3599866 is an apocalyptic number.

3599866 is a deficient number, since it is larger than the sum of its proper divisors (1901978).

3599866 is a wasteful number, since it uses less digits than its factorization.

3599866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34016.

The product of its digits is 349920, while the sum is 46.

The square root of 3599866 is about 1897.3312836719. The cubic root of 3599866 is about 153.2599848725.

It can be divided in two parts, 3599 and 866, that added together give a triangular number (4465 = T₉₄).

The spelling of 3599866 in words is "three million, five hundred ninety-nine thousand, eight hundred sixty-six".