3659690 has 8 divisors (see below), whose sum is σ = 6587460. Its totient is φ = 1463872.

The previous prime is 3659683. The next prime is 3659717. The reversal of 3659690 is 969563.

It can be written as a sum of positive squares in 2 ways, for example, as 3659569 + 121 = 1913^2 + 11^2 .

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

It is a super-2 number, since 2×3659690² = 26786661792200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182975 + ... + 182994.

Almost surely, 2^3659690 is an apocalyptic number.

3659690 is a deficient number, since it is larger than the sum of its proper divisors (2927770).

3659690 is a wasteful number, since it uses less digits than its factorization.

3659690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365976.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 3659690 is about 1913.0316254574. The cubic root of 3659690 is about 154.1043033210.

The spelling of 3659690 in words is "three million, six hundred fifty-nine thousand, six hundred ninety".