3447469 has 2 divisors, whose sum is σ = 3447470. Its totient is φ = 3447468.

The previous prime is 3447463. The next prime is 3447503. The reversal of 3447469 is 9647443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3374569 + 72900 = 1837^2 + 270^2 .

It is a cyclic number.

It is not a de Polignac number, because 3447469 - 2¹⁵ = 3414701 is a prime.

It is a super-2 number, since 2×3447469² = 23770085011922, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3447463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1723734 + 1723735.

It is an arithmetic number, because the mean of its divisors is an integer number (1723735).

Almost surely, 2^3447469 is an apocalyptic number.

It is an amenable number.

3447469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3447469 is an equidigital number, since it uses as much as digits as its factorization.

3447469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 3447469 is about 1856.7361147993. The cubic root of 3447469 is about 151.0660208645.

It can be divided in two parts, 34474 and 69, that added together give a palindrome (34543).

The spelling of 3447469 in words is "three million, four hundred forty-seven thousand, four hundred sixty-nine".