3988823 has 2 divisors, whose sum is σ = 3988824. Its totient is φ = 3988822.

The previous prime is 3988783. The next prime is 3988877. The reversal of 3988823 is 3288893.

3988823 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3988823 - 2⁶ = 3988759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3981823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994411 + 1994412.

It is an arithmetic number, because the mean of its divisors is an integer number (1994412).

Almost surely, 2^3988823 is an apocalyptic number.

3988823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3988823 is an equidigital number, since it uses as much as digits as its factorization.

3988823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 3988823 is about 1997.2037953098. The cubic root of 3988823 is about 158.5921140901.

The spelling of 3988823 in words is "three million, nine hundred eighty-eight thousand, eight hundred twenty-three".