3998799 has 12 divisors (see below), whose sum is σ = 6601296. Its totient is φ = 2284992.

The previous prime is 3998789. The next prime is 3998801. The reversal of 3998799 is 9978993.

It is a happy number.

3998799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3998799 - 2⁷ = 3998671 is a prime.

3998799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998719) 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 11 ways as a sum of consecutive naturals, for example, 31674 + ... + 31799.

It is an arithmetic number, because the mean of its divisors is an integer number (550108).

Almost surely, 2^3998799 is an apocalyptic number.

3998799 is a deficient number, since it is larger than the sum of its proper divisors (2602497).

3998799 is a wasteful number, since it uses less digits than its factorization.

3998799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63486 (or 63483 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The square root of 3998799 is about 1999.6997274591. The cubic root of 3998799 is about 158.7242163676.

The spelling of 3998799 in words is "three million, nine hundred ninety-eight thousand, seven hundred ninety-nine".