3937983 has 32 divisors (see below), whose sum is σ = 6336000. Its totient is φ = 2173248.

The previous prime is 3937981. The next prime is 3937993. The reversal of 3937983 is 3897393.

It is a happy number.

It is not a de Polignac number, because 3937983 - 2¹ = 3937981 is a prime.

3937983 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3937981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44203 + ... + 44291.

It is an arithmetic number, because the mean of its divisors is an integer number (198000).

Almost surely, 2^3937983 is an apocalyptic number.

3937983 is a deficient number, since it is larger than the sum of its proper divisors (2398017).

3937983 is an equidigital number, since it uses as much as digits as its factorization.

3937983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 142 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The square root of 3937983 is about 1984.4351841267. The cubic root of 3937983 is about 157.9154464006.

The spelling of 3937983 in words is "three million, nine hundred thirty-seven thousand, nine hundred eighty-three".