3873791 has 12 divisors (see below), whose sum is σ = 4170600. Its totient is φ = 3593520.

The previous prime is 3873781. The next prime is 3873799. The reversal of 3873791 is 1973783.

3873791 = 54² + 55² + ... + 227².

It is a happy number.

It is not a de Polignac number, because 3873791 - 2¹⁰ = 3872767 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 (3873799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27800 + ... + 27938.

It is an arithmetic number, because the mean of its divisors is an integer number (347550).

Almost surely, 2^3873791 is an apocalyptic number.

3873791 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3873791 is a deficient number, since it is larger than the sum of its proper divisors (296809).

3873791 is a wasteful number, since it uses less digits than its factorization.

3873791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 199 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 3873791 is about 1968.1948582394. The cubic root of 3873791 is about 157.0526957410.

It can be divided in two parts, 3873 and 791, that added together give a palindrome (4664).

The spelling of 3873791 in words is "three million, eight hundred seventy-three thousand, seven hundred ninety-one".