3280469 has 2 divisors, whose sum is σ = 3280470. Its totient is φ = 3280468.

The previous prime is 3280463. The next prime is 3280471. The reversal of 3280469 is 9640823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 877969 = 1550^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 3280469 - 2⁸ = 3280213 is a prime.

It is a super-2 number, since 2×3280469² = 21522953719922, which contains 22 as substring.

Together with 3280471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3280463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640234 + 1640235.

It is an arithmetic number, because the mean of its divisors is an integer number (1640235).

Almost surely, 2^3280469 is an apocalyptic number.

It is an amenable number.

3280469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3280469 is an equidigital number, since it uses as much as digits as its factorization.

3280469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3280469 is about 1811.2065039636. The cubic root of 3280469 is about 148.5862581615.

The spelling of 3280469 in words is "three million, two hundred eighty thousand, four hundred sixty-nine".