3660291 has 6 divisors (see below), whose sum is σ = 5287100. Its totient is φ = 2440188.

The previous prime is 3660281. The next prime is 3660317. The reversal of 3660291 is 1920663.

It is a happy number.

It is not a de Polignac number, because 3660291 - 2⁵ = 3660259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3660211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203341 + ... + 203358.

Almost surely, 2^3660291 is an apocalyptic number.

3660291 is a deficient number, since it is larger than the sum of its proper divisors (1626809).

3660291 is a wasteful number, since it uses less digits than its factorization.

3660291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406705 (or 406702 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3660291 is about 1913.1886995276. The cubic root of 3660291 is about 154.1127386090.

The spelling of 3660291 in words is "three million, six hundred sixty thousand, two hundred ninety-one".