3988069 has 2 divisors, whose sum is σ = 3988070. Its totient is φ = 3988068.

The previous prime is 3988027. The next prime is 3988073. The reversal of 3988069 is 9608893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3724900 + 263169 = 1930^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 3988069 - 2¹⁷ = 3856997 is a prime.

It is a super-2 number, since 2×3988069² = 31809388697522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3988969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994034 + 1994035.

It is an arithmetic number, because the mean of its divisors is an integer number (1994035).

Almost surely, 2^3988069 is an apocalyptic number.

It is an amenable number.

3988069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3988069 is an equidigital number, since it uses as much as digits as its factorization.

3988069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 3988069 is about 1997.0150224773. The cubic root of 3988069 is about 158.5821206668.

The spelling of 3988069 in words is "three million, nine hundred eighty-eight thousand, sixty-nine".