3966582 has 8 divisors (see below), whose sum is σ = 7933176. Its totient is φ = 1322192.

The previous prime is 3966581. The next prime is 3966583. The reversal of 3966582 is 2856693.

It is an interprime number because it is at equal distance from previous prime (3966581) and next prime (3966583).

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

3966582 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3966582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330543 + ... + 330554.

It is an arithmetic number, because the mean of its divisors is an integer number (991647).

Almost surely, 2^3966582 is an apocalyptic number.

3966582 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3966582 is a wasteful number, since it uses less digits than its factorization.

3966582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661102.

The product of its digits is 77760, while the sum is 39.

The square root of 3966582 is about 1991.6279773090. The cubic root of 3966582 is about 158.2968036380.

The spelling of 3966582 in words is "three million, nine hundred sixty-six thousand, five hundred eighty-two".