3902137 has 2 divisors, whose sum is σ = 3902138. Its totient is φ = 3902136.

The previous prime is 3902071. The next prime is 3902141. The reversal of 3902137 is 7312093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3606201 + 295936 = 1899^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 3902137 - 2⁷ = 3902009 is a prime.

3902137 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3902167) 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, 1951068 + 1951069.

It is an arithmetic number, because the mean of its divisors is an integer number (1951069).

Almost surely, 2^3902137 is an apocalyptic number.

It is an amenable number.

3902137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3902137 is an equidigital number, since it uses as much as digits as its factorization.

3902137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 3902137 is about 1975.3827477226. The cubic root of 3902137 is about 157.4348365689.

The spelling of 3902137 in words is "three million, nine hundred two thousand, one hundred thirty-seven".