3706181 has 2 divisors, whose sum is σ = 3706182. Its totient is φ = 3706180.

The previous prime is 3706163. The next prime is 3706189. The reversal of 3706181 is 1816073.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 58081 = 1910^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 3706181 - 2¹⁴ = 3689797 is a prime.

It is a super-2 number, since 2×3706181² = 27471555209522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3706181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3706189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1853090 + 1853091.

It is an arithmetic number, because the mean of its divisors is an integer number (1853091).

Almost surely, 2^3706181 is an apocalyptic number.

It is an amenable number.

3706181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3706181 is an equidigital number, since it uses as much as digits as its factorization.

3706181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 3706181 is about 1925.1444101677. The cubic root of 3706181 is about 154.7541158714.

The spelling of 3706181 in words is "three million, seven hundred six thousand, one hundred eighty-one".