3670866 has 16 divisors (see below), whose sum is σ = 8157600. Its totient is φ = 1223604.

The previous prime is 3670837. The next prime is 3670871. The reversal of 3670866 is 6680763.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3670866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33936 + ... + 34043.

It is an arithmetic number, because the mean of its divisors is an integer number (509850).

Almost surely, 2^3670866 is an apocalyptic number.

3670866 is an abundant number, since it is smaller than the sum of its proper divisors (4486734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3670866 is a wasteful number, since it uses less digits than its factorization.

3670866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67990 (or 67984 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 3670866 is about 1915.9504168950. The cubic root of 3670866 is about 154.2610123592.

The spelling of 3670866 in words is "three million, six hundred seventy thousand, eight hundred sixty-six".