4006969 has 2 divisors, whose sum is σ = 4006970. Its totient is φ = 4006968.

The previous prime is 4006963. The next prime is 4006979. The reversal of 4006969 is 9696004.

4006969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2518569 + 1488400 = 1587^2 + 1220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4006969 is a prime.

It is a super-2 number, since 2×4006969² = 32111601133922, which contains 22 as substring.

4006969 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4006963) 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 as a sum of consecutive naturals, namely, 2003484 + 2003485.

It is an arithmetic number, because the mean of its divisors is an integer number (2003485).

Almost surely, 2^4006969 is an apocalyptic number.

It is an amenable number.

4006969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006969 is an equidigital number, since it uses as much as digits as its factorization.

4006969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 4006969 is about 2001.7414918016. The cubic root of 4006969 is about 158.8322400263.

The spelling of 4006969 in words is "four million, six thousand, nine hundred sixty-nine".