3941491 has 4 divisors (see below), whose sum is σ = 3952432. Its totient is φ = 3930552.

The previous prime is 3941473. The next prime is 3941507. The reversal of 3941491 is 1941493.

3941491 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 is a cyclic number.

It is not a de Polignac number, because 3941491 - 2⁷ = 3941363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3941411) 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, 4911 + ... + 5656.

It is an arithmetic number, because the mean of its divisors is an integer number (988108).

Almost surely, 2^3941491 is an apocalyptic number.

3941491 is a deficient number, since it is larger than the sum of its proper divisors (10941).

3941491 is a wasteful number, since it uses less digits than its factorization.

3941491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10940.

The product of its digits is 3888, while the sum is 31.

The square root of 3941491 is about 1985.3188660767. The cubic root of 3941491 is about 157.9623234418.

The spelling of 3941491 in words is "three million, nine hundred forty-one thousand, four hundred ninety-one".