3621966 has 16 divisors (see below), whose sum is σ = 7279104. Its totient is φ = 1201464.

The previous prime is 3621941. The next prime is 3621973. The reversal of 3621966 is 6691263.

It is a happy number.

3621966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16 + ... + 2691.

It is an arithmetic number, because the mean of its divisors is an integer number (454944).

Almost surely, 2^3621966 is an apocalyptic number.

3621966 is an abundant number, since it is smaller than the sum of its proper divisors (3657138).

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

3621966 is a wasteful number, since it uses less digits than its factorization.

3621966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935.

The product of its digits is 11664, while the sum is 33.

The square root of 3621966 is about 1903.1463422449. The cubic root of 3621966 is about 153.5729722681.

The spelling of 3621966 in words is "three million, six hundred twenty-one thousand, nine hundred sixty-six".