4249769 has 2 divisors, whose sum is σ = 4249770. Its totient is φ = 4249768.

The previous prime is 4249757. The next prime is 4249789. The reversal of 4249769 is 9679424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2598544 + 1651225 = 1612^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 4249769 - 2⁴ = 4249753 is a prime.

It is a super-2 number, since 2×4249769² = 36121073106722, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁴ + 2¹³ + 4¹¹ + 9 + 7³ + 6⁶ + 9 .

It is not a weakly prime, because it can be changed into another prime (4249789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124884 + 2124885.

It is an arithmetic number, because the mean of its divisors is an integer number (2124885).

Almost surely, 2^4249769 is an apocalyptic number.

It is an amenable number.

4249769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4249769 is an equidigital number, since it uses as much as digits as its factorization.

4249769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 4249769 is about 2061.4967863181. The cubic root of 4249769 is about 161.9776553035.

The spelling of 4249769 in words is "four million, two hundred forty-nine thousand, seven hundred sixty-nine".