3903143 has 2 divisors, whose sum is σ = 3903144. Its totient is φ = 3903142.

The previous prime is 3903131. The next prime is 3903187. The reversal of 3903143 is 3413093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3903143 - 2⁴ = 3903127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3903443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951571 + 1951572.

It is an arithmetic number, because the mean of its divisors is an integer number (1951572).

Almost surely, 2^3903143 is an apocalyptic number.

3903143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3903143 is an equidigital number, since it uses as much as digits as its factorization.

3903143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 3903143 is about 1975.6373655102. The cubic root of 3903143 is about 157.4483646978.

The spelling of 3903143 in words is "three million, nine hundred three thousand, one hundred forty-three".