4069969 has 8 divisors (see below), whose sum is σ = 4167680. Its totient is φ = 3973536.

The previous prime is 4069937. The next prime is 4069991. The reversal of 4069969 is 9699604.

4069969 = T₁₈₇ + T₁₈₈ + ... + T₃₁₃.

It is a happy number.

4069969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4069969 - 2⁵ = 4069937 is a prime.

It is a super-2 number, since 2×4069969² = 33129295321922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4061969) 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 7 ways as a sum of consecutive naturals, for example, 9052 + ... + 9490.

It is an arithmetic number, because the mean of its divisors is an integer number (520960).

Almost surely, 2^4069969 is an apocalyptic number.

It is an amenable number.

4069969 is a deficient number, since it is larger than the sum of its proper divisors (97711).

4069969 is a wasteful number, since it uses less digits than its factorization.

4069969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 4069969 is about 2017.4164171038. The cubic root of 4069969 is about 159.6603341171.

The spelling of 4069969 in words is "four million, sixty-nine thousand, nine hundred sixty-nine".