3981164 has 12 divisors (see below), whose sum is σ = 7600488. Its totient is φ = 1809600.

The previous prime is 3981161. The next prime is 3981167. The reversal of 3981164 is 4611893.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3981161) and next prime (3981167).

It is a self number, because there is not a number n which added to its sum of digits gives 3981164.

It is not an unprimeable number, because it can be changed into a prime (3981161) 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, 45197 + ... + 45284.

It is an arithmetic number, because the mean of its divisors is an integer number (633374).

Almost surely, 2^3981164 is an apocalyptic number.

It is an amenable number.

3981164 is a deficient number, since it is larger than the sum of its proper divisors (3619324).

3981164 is a wasteful number, since it uses less digits than its factorization.

3981164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90496 (or 90494 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 3981164 is about 1995.2854432386. The cubic root of 3981164 is about 158.4905440063.

It can be divided in two parts, 3 and 981164, that multiplied together give a palindrome (2943492).

The spelling of 3981164 in words is "three million, nine hundred eighty-one thousand, one hundred sixty-four".