3660890 has 16 divisors (see below), whose sum is σ = 6751080. Its totient is φ = 1428480.

The previous prime is 3660889. The next prime is 3660893. The reversal of 3660890 is 980663.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 935089 + 2725801 = 967^2 + 1651^2 .

It is not an unprimeable number, because it can be changed into a prime (3660893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4055 + ... + 4874.

Almost surely, 2^3660890 is an apocalyptic number.

3660890 is a deficient number, since it is larger than the sum of its proper divisors (3090190).

3660890 is a wasteful number, since it uses less digits than its factorization.

3660890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8977.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 3660890 is about 1913.3452380582. The cubic root of 3660890 is about 154.1211449074.

The spelling of 3660890 in words is "three million, six hundred sixty thousand, eight hundred ninety".