3646956 has 24 divisors (see below), whose sum is σ = 8619520. Its totient is φ = 1199952.

The previous prime is 3646931. The next prime is 3646957. The reversal of 3646956 is 6596463.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3646957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976 + ... + 2871.

Almost surely, 2^3646956 is an apocalyptic number.

It is an amenable number.

3646956 is an abundant number, since it is smaller than the sum of its proper divisors (4972564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3646956 is a wasteful number, since it uses less digits than its factorization.

3646956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933 (or 3931 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 3646956 is about 1909.7005000785. The cubic root of 3646956 is about 153.9253587799.

The spelling of 3646956 in words is "three million, six hundred forty-six thousand, nine hundred fifty-six".