3966550 has 36 divisors (see below), whose sum is σ = 8587620. Its totient is φ = 1359120.

The previous prime is 3966541. The next prime is 3966563. The reversal of 3966550 is 556693.

3966550 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 17 ways as a sum of consecutive naturals, for example, 1641 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (238545).

Almost surely, 2^3966550 is an apocalyptic number.

3966550 is an abundant number, since it is smaller than the sum of its proper divisors (4621070).

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

3966550 is a wasteful number, since it uses less digits than its factorization.

3966550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 3966550 is about 1991.6199436640. The cubic root of 3966550 is about 158.2963779557.

The spelling of 3966550 in words is "three million, nine hundred sixty-six thousand, five hundred fifty".