3902141 has 2 divisors, whose sum is σ = 3902142. Its totient is φ = 3902140.

The previous prime is 3902137. The next prime is 3902149. The reversal of 3902141 is 1412093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3724900 + 177241 = 1930^2 + 421^2 .

It is an emirp because it is prime and its reverse (1412093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3902141 - 2² = 3902137 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3902149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951070 + 1951071.

It is an arithmetic number, because the mean of its divisors is an integer number (1951071).

Almost surely, 2^3902141 is an apocalyptic number.

It is an amenable number.

3902141 is a deficient number, since it is larger than the sum of its proper divisors (1).

3902141 is an equidigital number, since it uses as much as digits as its factorization.

3902141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 3902141 is about 1975.3837601843. The cubic root of 3902141 is about 157.4348903633.

The spelling of 3902141 in words is "three million, nine hundred two thousand, one hundred forty-one".