3639193 has 2 divisors, whose sum is σ = 3639194. Its totient is φ = 3639192.

The previous prime is 3639161. The next prime is 3639197. The reversal of 3639193 is 3919363.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3489424 + 149769 = 1868^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 3639193 - 2⁵ = 3639161 is a prime.

It is not a weakly prime, because it can be changed into another prime (3639197) 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, 1819596 + 1819597.

It is an arithmetic number, because the mean of its divisors is an integer number (1819597).

Almost surely, 2^3639193 is an apocalyptic number.

It is an amenable number.

3639193 is a deficient number, since it is larger than the sum of its proper divisors (1).

3639193 is an equidigital number, since it uses as much as digits as its factorization.

3639193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13122, while the sum is 34.

The square root of 3639193 is about 1907.6668996447. Note that the first 3 decimals coincide. The cubic root of 3639193 is about 153.8160647630.

The spelling of 3639193 in words is "three million, six hundred thirty-nine thousand, one hundred ninety-three".