3660658 has 8 divisors (see below), whose sum is σ = 5566428. Its totient is φ = 1805184.

The previous prime is 3660653. The next prime is 3660667. The reversal of 3660658 is 8560663.

It can be written as a sum of positive squares in 2 ways, for example, as 3659569 + 1089 = 1913^2 + 33^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3660653) 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, 12391 + ... + 12682.

Almost surely, 2^3660658 is an apocalyptic number.

3660658 is a deficient number, since it is larger than the sum of its proper divisors (1905770).

3660658 is a wasteful number, since it uses less digits than its factorization.

3660658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25148.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3660658 is about 1913.2846102972. The cubic root of 3660658 is about 154.1178891543.

The spelling of 3660658 in words is "three million, six hundred sixty thousand, six hundred fifty-eight".