3876491 has 2 divisors, whose sum is σ = 3876492. Its totient is φ = 3876490.

The previous prime is 3876469. The next prime is 3876497. The reversal of 3876491 is 1946783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3876491 - 2¹⁰ = 3875467 is a prime.

It is not a weakly prime, because it can be changed into another prime (3876497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1938245 + 1938246.

It is an arithmetic number, because the mean of its divisors is an integer number (1938246).

Almost surely, 2^3876491 is an apocalyptic number.

3876491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3876491 is an equidigital number, since it uses as much as digits as its factorization.

3876491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 3876491 is about 1968.8806464588. The cubic root of 3876491 is about 157.0891754064.

The spelling of 3876491 in words is "three million, eight hundred seventy-six thousand, four hundred ninety-one".