3473681 has 2 divisors, whose sum is σ = 3473682. Its totient is φ = 3473680.

The previous prime is 3473677. The next prime is 3473683. The reversal of 3473681 is 1863743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1985281 + 1488400 = 1409^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 3473681 - 2² = 3473677 is a prime.

It is a super-2 number, since 2×3473681² = 24132919379522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3473683, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3473683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736840 + 1736841.

It is an arithmetic number, because the mean of its divisors is an integer number (1736841).

Almost surely, 2^3473681 is an apocalyptic number.

It is an amenable number.

3473681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3473681 is an equidigital number, since it uses as much as digits as its factorization.

3473681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 3473681 is about 1863.7813712987. The cubic root of 3473681 is about 151.4479193014.

The spelling of 3473681 in words is "three million, four hundred seventy-three thousand, six hundred eighty-one".