43340669 has 2 divisors, whose sum is σ = 43340670. Its totient is φ = 43340668.

The previous prime is 43340657. The next prime is 43340681. The reversal of 43340669 is 96604334.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (43340657) and next prime (43340681).

It can be written as a sum of positive squares in only one way, i.e., 24304900 + 19035769 = 4930^2 + 4363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43340669 is a prime.

It is a super-2 number, since 2×43340669² = 3756827178735122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43340629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21670334 + 21670335.

It is an arithmetic number, because the mean of its divisors is an integer number (21670335).

Almost surely, 2^43340669 is an apocalyptic number.

It is an amenable number.

43340669 is a deficient number, since it is larger than the sum of its proper divisors (1).

43340669 is an equidigital number, since it uses as much as digits as its factorization.

43340669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 43340669 is about 6583.3630463464. The cubic root of 43340669 is about 351.2625665561.

The spelling of 43340669 in words is "forty-three million, three hundred forty thousand, six hundred sixty-nine".