3671939 has 2 divisors, whose sum is σ = 3671940. Its totient is φ = 3671938.

The previous prime is 3671929. The next prime is 3671971. The reversal of 3671939 is 9391763.

It is a weak prime.

It is an emirp because it is prime and its reverse (9391763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3671939 - 2⁴ = 3671923 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (3671929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1835969 + 1835970.

It is an arithmetic number, because the mean of its divisors is an integer number (1835970).

Almost surely, 2^3671939 is an apocalyptic number.

3671939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3671939 is an equidigital number, since it uses as much as digits as its factorization.

3671939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 38.

The square root of 3671939 is about 1916.2304141204. The cubic root of 3671939 is about 154.2760411419.

The spelling of 3671939 in words is "three million, six hundred seventy-one thousand, nine hundred thirty-nine".