3340657 has 2 divisors, whose sum is σ = 3340658. Its totient is φ = 3340656.

The previous prime is 3340633. The next prime is 3340669. The reversal of 3340657 is 7560433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2322576 + 1018081 = 1524^2 + 1009^2 .

It is an emirp because it is prime and its reverse (7560433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3340657 - 2¹¹ = 3338609 is a prime.

It is a super-2 number, since 2×3340657² = 22319978383298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3340697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670328 + 1670329.

It is an arithmetic number, because the mean of its divisors is an integer number (1670329).

Almost surely, 2^3340657 is an apocalyptic number.

It is an amenable number.

3340657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340657 is an equidigital number, since it uses as much as digits as its factorization.

3340657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 3340657 is about 1827.7464266139. The cubic root of 3340657 is about 149.4894792431.

The spelling of 3340657 in words is "three million, three hundred forty thousand, six hundred fifty-seven".