4240069 has 2 divisors, whose sum is σ = 4240070. Its totient is φ = 4240068.

The previous prime is 4240063. The next prime is 4240079. The reversal of 4240069 is 9600424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3849444 + 390625 = 1962^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240069 - 2⁵ = 4240037 is a prime.

It is a super-2 number, since 2×4240069² = 35956370249522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120034 + 2120035.

It is an arithmetic number, because the mean of its divisors is an integer number (2120035).

Almost surely, 2^4240069 is an apocalyptic number.

It is an amenable number.

4240069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240069 is an equidigital number, since it uses as much as digits as its factorization.

4240069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4240069 is about 2059.1427828104. The cubic root of 4240069 is about 161.8543246652.

The spelling of 4240069 in words is "four million, two hundred forty thousand, sixty-nine".