3666670 has 32 divisors (see below), whose sum is σ = 7704000. Its totient is φ = 1255968.

The previous prime is 3666661. The next prime is 3666703. The reversal of 3666670 is 766663.

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896 + ... + 3964.

It is an arithmetic number, because the mean of its divisors is an integer number (240750).

Almost surely, 2^3666670 is an apocalyptic number.

3666670 is an abundant number, since it is smaller than the sum of its proper divisors (4037330).

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

3666670 is a wasteful number, since it uses less digits than its factorization.

3666670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 3666670 is about 1914.8550859008. The cubic root of 3666670 is about 154.2022137007.

The spelling of 3666670 in words is "three million, six hundred sixty-six thousand, six hundred seventy".