3974081 has 4 divisors (see below), whose sum is σ = 3994452. Its totient is φ = 3953712.

The previous prime is 3974077. The next prime is 3974093. The reversal of 3974081 is 1804793.

3974081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3940225 + 33856 = 1985^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 3974081 - 2² = 3974077 is a prime.

It is a super-2 number, since 2×3974081² = 31586639589122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3974041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9890 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (998613).

Almost surely, 2^3974081 is an apocalyptic number.

It is an amenable number.

3974081 is a deficient number, since it is larger than the sum of its proper divisors (20371).

3974081 is a wasteful number, since it uses less digits than its factorization.

3974081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20370.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3974081 is about 1993.5097190633. The cubic root of 3974081 is about 158.3964965598.

The spelling of 3974081 in words is "three million, nine hundred seventy-four thousand, eighty-one".