3724891 has 8 divisors (see below), whose sum is σ = 3898944. Its totient is φ = 3554880.

The previous prime is 3724883. The next prime is 3724907. The reversal of 3724891 is 1984273.

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 3724891 - 2³ = 3724883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3724291) 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, 961 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (487368).

Almost surely, 2^3724891 is an apocalyptic number.

3724891 is a deficient number, since it is larger than the sum of its proper divisors (174053).

3724891 is a wasteful number, since it uses less digits than its factorization.

3724891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its digits is 12096, while the sum is 34.

The square root of 3724891 is about 1929.9976683924. The cubic root of 3724891 is about 155.0140951455.

The spelling of 3724891 in words is "three million, seven hundred twenty-four thousand, eight hundred ninety-one".