3924191 has 8 divisors (see below), whose sum is σ = 4163424. Its totient is φ = 3690720.

The previous prime is 3924187. The next prime is 3924199. The reversal of 3924191 is 1914293.

It is a happy number.

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 3924191 - 2² = 3924187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3924199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 2801.

It is an arithmetic number, because the mean of its divisors is an integer number (520428).

Almost surely, 2^3924191 is an apocalyptic number.

3924191 is a deficient number, since it is larger than the sum of its proper divisors (239233).

3924191 is a wasteful number, since it uses less digits than its factorization.

3924191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881.

The product of its digits is 1944, while the sum is 29.

The square root of 3924191 is about 1980.9570919129. The cubic root of 3924191 is about 157.7308749731.

The spelling of 3924191 in words is "three million, nine hundred twenty-four thousand, one hundred ninety-one".