3946291 has 8 divisors (see below), whose sum is σ = 4183200. Its totient is φ = 3716160.

The previous prime is 3946289. The next prime is 3946297. The reversal of 3946291 is 1926493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3946291 - 2¹ = 3946289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3946297) 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 in 7 ways as a sum of consecutive naturals, for example, 471 + ... + 2848.

It is an arithmetic number, because the mean of its divisors is an integer number (522900).

Almost surely, 2^3946291 is an apocalyptic number.

3946291 is a deficient number, since it is larger than the sum of its proper divisors (236909).

3946291 is a wasteful number, since it uses less digits than its factorization.

3946291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389.

The product of its digits is 11664, while the sum is 34.

The square root of 3946291 is about 1986.5273720742. The cubic root of 3946291 is about 158.0264203001.

The spelling of 3946291 in words is "three million, nine hundred forty-six thousand, two hundred ninety-one".