3660811 has 8 divisors (see below), whose sum is σ = 4564224. Its totient is φ = 2852520.

The previous prime is 3660799. The next prime is 3660823. The reversal of 3660811 is 1180663.

It is an interprime number because it is at equal distance from previous prime (3660799) and next prime (3660823).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3660811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3660871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23695 + ... + 23848.

It is an arithmetic number, because the mean of its divisors is an integer number (570528).

Almost surely, 2^3660811 is an apocalyptic number.

3660811 is a deficient number, since it is larger than the sum of its proper divisors (903413).

3660811 is a wasteful number, since it uses less digits than its factorization.

3660811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47561.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3660811 is about 1913.3245934760. The cubic root of 3660811 is about 154.1200362828.

The spelling of 3660811 in words is "three million, six hundred sixty thousand, eight hundred eleven".