3729161 has 2 divisors, whose sum is σ = 3729162. Its totient is φ = 3729160.

The previous prime is 3729157. The next prime is 3729169. The reversal of 3729161 is 1619273.

3729161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3728761 + 400 = 1931^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 3729161 - 2² = 3729157 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3729169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864580 + 1864581.

It is an arithmetic number, because the mean of its divisors is an integer number (1864581).

Almost surely, 2^3729161 is an apocalyptic number.

It is an amenable number.

3729161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3729161 is an equidigital number, since it uses as much as digits as its factorization.

3729161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

The square root of 3729161 is about 1931.1035705006. The cubic root of 3729161 is about 155.0733055960.

The spelling of 3729161 in words is "three million, seven hundred twenty-nine thousand, one hundred sixty-one".