3983399 has 4 divisors (see below), whose sum is σ = 4552464. Its totient is φ = 3414336.

The previous prime is 3983387. The next prime is 3983401. The reversal of 3983399 is 9933893.

3983399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9933893 = 389 ⋅25537.

It is a cyclic number.

It is not a de Polignac number, because 3983399 - 2¹⁶ = 3917863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3983299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284522 + ... + 284535.

It is an arithmetic number, because the mean of its divisors is an integer number (1138116).

Almost surely, 2^3983399 is an apocalyptic number.

3983399 is a deficient number, since it is larger than the sum of its proper divisors (569065).

3983399 is an equidigital number, since it uses as much as digits as its factorization.

3983399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569064.

The product of its digits is 157464, while the sum is 44.

The square root of 3983399 is about 1995.8454348972. The cubic root of 3983399 is about 158.5201969838.

It can be divided in two parts, 39 and 83399, that added together give a palindrome (83438).

The spelling of 3983399 in words is "three million, nine hundred eighty-three thousand, three hundred ninety-nine".