3937723 has 4 divisors (see below), whose sum is σ = 3944248. Its totient is φ = 3931200.

The previous prime is 3937721. The next prime is 3937751. The reversal of 3937723 is 3277393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3277393 = 7 ⋅468199.

It is a cyclic number.

It is not a de Polignac number, because 3937723 - 2¹ = 3937721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3937721) 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 3 ways as a sum of consecutive naturals, for example, 2253 + ... + 3598.

It is an arithmetic number, because the mean of its divisors is an integer number (986062).

Almost surely, 2^3937723 is an apocalyptic number.

3937723 is a deficient number, since it is larger than the sum of its proper divisors (6525).

3937723 is an equidigital number, since it uses as much as digits as its factorization.

3937723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524.

The product of its digits is 23814, while the sum is 34.

The square root of 3937723 is about 1984.3696732212. The cubic root of 3937723 is about 157.9119709395.

The spelling of 3937723 in words is "three million, nine hundred thirty-seven thousand, seven hundred twenty-three".