3666140 has 12 divisors (see below), whose sum is σ = 7698936. Its totient is φ = 1466448.

The previous prime is 3666139. The next prime is 3666149. The reversal of 3666140 is 416663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91634 + ... + 91673.

It is an arithmetic number, because the mean of its divisors is an integer number (641578).

Almost surely, 2^3666140 is an apocalyptic number.

It is an amenable number.

3666140 is an abundant number, since it is smaller than the sum of its proper divisors (4032796).

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

3666140 is a wasteful number, since it uses less digits than its factorization.

3666140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183316 (or 183314 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3666140 is about 1914.7166892258. The cubic root of 3666140 is about 154.1947836064.

The spelling of 3666140 in words is "three million, six hundred sixty-six thousand, one hundred forty".