3798181 has 2 divisors, whose sum is σ = 3798182. Its totient is φ = 3798180.

The previous prime is 3798173. The next prime is 3798187. The reversal of 3798181 is 1818973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2512225 + 1285956 = 1585^2 + 1134^2 .

It is a cyclic number.

It is not a de Polignac number, because 3798181 - 2³ = 3798173 is a prime.

It is a super-2 number, since 2×3798181² = 28852357817522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3798181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3798187) 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, 1899090 + 1899091.

It is an arithmetic number, because the mean of its divisors is an integer number (1899091).

Almost surely, 2^3798181 is an apocalyptic number.

It is an amenable number.

3798181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3798181 is an equidigital number, since it uses as much as digits as its factorization.

3798181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 3798181 is about 1948.8922494587. The cubic root of 3798181 is about 156.0241716873.

The spelling of 3798181 in words is "three million, seven hundred ninety-eight thousand, one hundred eighty-one".