3791983 has 4 divisors (see below), whose sum is σ = 4083688. Its totient is φ = 3500280.

The previous prime is 3791981. The next prime is 3792017. The reversal of 3791983 is 3891973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3891973 = 43 ⋅90511.

It is a cyclic number.

It is not a de Polignac number, because 3791983 - 2¹ = 3791981 is a prime.

It is an Ulam number.

It is a Duffinian number.

3791983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3791981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145833 + ... + 145858.

It is an arithmetic number, because the mean of its divisors is an integer number (1020922).

Almost surely, 2^3791983 is an apocalyptic number.

3791983 is a deficient number, since it is larger than the sum of its proper divisors (291705).

3791983 is a wasteful number, since it uses less digits than its factorization.

3791983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291704.

The product of its digits is 40824, while the sum is 40.

The square root of 3791983 is about 1947.3014661320. The cubic root of 3791983 is about 155.9392569778.

It can be divided in two parts, 3791 and 983, that added together give a palindrome (4774).

The spelling of 3791983 in words is "three million, seven hundred ninety-one thousand, nine hundred eighty-three".