3427849 has 2 divisors, whose sum is σ = 3427850. Its totient is φ = 3427848.

The previous prime is 3427843. The next prime is 3427859. The reversal of 3427849 is 9487243.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2082249 + 1345600 = 1443^2 + 1160^2 .

It is an emirp because it is prime and its reverse (9487243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3427849 - 2¹⁵ = 3395081 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3427843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713924 + 1713925.

It is an arithmetic number, because the mean of its divisors is an integer number (1713925).

Almost surely, 2^3427849 is an apocalyptic number.

It is an amenable number.

3427849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427849 is an equidigital number, since it uses as much as digits as its factorization.

3427849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 3427849 is about 1851.4451112577. The cubic root of 3427849 is about 150.7788966146.

The spelling of 3427849 in words is "three million, four hundred twenty-seven thousand, eight hundred forty-nine".