2409863 has 2 divisors, whose sum is σ = 2409864. Its totient is φ = 2409862.

The previous prime is 2409859. The next prime is 2409893. The reversal of 2409863 is 3689042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2409863 - 2² = 2409859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2409833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204931 + 1204932.

It is an arithmetic number, because the mean of its divisors is an integer number (1204932).

2^2409863 is an apocalyptic number.

2409863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2409863 is an equidigital number, since it uses as much as digits as its factorization.

2409863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2409863 is about 1552.3733442700. The cubic root of 2409863 is about 134.0697453806.

The spelling of 2409863 in words is "two million, four hundred nine thousand, eight hundred sixty-three".