3671849 has 2 divisors, whose sum is σ = 3671850. Its totient is φ = 3671848.

The previous prime is 3671839. The next prime is 3671851. The reversal of 3671849 is 9481763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3667225 + 4624 = 1915^2 + 68^2 .

It is an emirp because it is prime and its reverse (9481763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3671849 - 2¹² = 3667753 is a prime.

Together with 3671851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3671839) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1835924 + 1835925.

It is an arithmetic number, because the mean of its divisors is an integer number (1835925).

Almost surely, 2^3671849 is an apocalyptic number.

It is an amenable number.

3671849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3671849 is an equidigital number, since it uses as much as digits as its factorization.

3671849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 3671849 is about 1916.2069303705. The cubic root of 3671849 is about 154.2747806855.

The spelling of 3671849 in words is "three million, six hundred seventy-one thousand, eight hundred forty-nine".