3645196 has 12 divisors (see below), whose sum is σ = 6527752. Its totient is φ = 1780128.

The previous prime is 3645193. The next prime is 3645227. The reversal of 3645196 is 6915463.

It is not an unprimeable number, because it can be changed into a prime (3645193) 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 3 ways as a sum of consecutive naturals, for example, 10425 + ... + 10768.

Almost surely, 2^3645196 is an apocalyptic number.

It is an amenable number.

3645196 is a deficient number, since it is larger than the sum of its proper divisors (2882556).

3645196 is a wasteful number, since it uses less digits than its factorization.

3645196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21240 (or 21238 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 3645196 is about 1909.2396392281. The cubic root of 3645196 is about 153.9005936312.

The spelling of 3645196 in words is "three million, six hundred forty-five thousand, one hundred ninety-six".