3918966 has 32 divisors (see below), whose sum is σ = 8171520. Its totient is φ = 1251936.

The previous prime is 3918949. The next prime is 3918983. The reversal of 3918966 is 6698193.

It is an interprime number because it is at equal distance from previous prime (3918949) and next prime (3918983).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28125 + ... + 28263.

It is an arithmetic number, because the mean of its divisors is an integer number (255360).

Almost surely, 2^3918966 is an apocalyptic number.

3918966 is an abundant number, since it is smaller than the sum of its proper divisors (4252554).

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

3918966 is a wasteful number, since it uses less digits than its factorization.

3918966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its digits is 69984, while the sum is 42.

The square root of 3918966 is about 1979.6378456677. The cubic root of 3918966 is about 157.6608384679.

It can be divided in two parts, 3918 and 966, that added together give a palindrome (4884).

The spelling of 3918966 in words is "three million, nine hundred eighteen thousand, nine hundred sixty-six".