3981092 has 6 divisors (see below), whose sum is σ = 6966918. Its totient is φ = 1990544.

The previous prime is 3981071. The next prime is 3981097. The reversal of 3981092 is 2901893.

It can be written as a sum of positive squares in only one way, i.e., 2579236 + 1401856 = 1606^2 + 1184^2 .

It is not an unprimeable number, because it can be changed into a prime (3981097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497633 + ... + 497640.

It is an arithmetic number, because the mean of its divisors is an integer number (1161153).

Almost surely, 2^3981092 is an apocalyptic number.

It is an amenable number.

3981092 is a deficient number, since it is larger than the sum of its proper divisors (2985826).

3981092 is a wasteful number, since it uses less digits than its factorization.

3981092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995277 (or 995275 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 3981092 is about 1995.2674006258. The cubic root of 3981092 is about 158.4895885581.

The spelling of 3981092 in words is "three million, nine hundred eighty-one thousand, ninety-two".