2389403 has 2 divisors, whose sum is σ = 2389404. Its totient is φ = 2389402.

The previous prime is 2389391. The next prime is 2389427. The reversal of 2389403 is 3049832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2389403 - 2²⁰ = 1340827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2389463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194701 + 1194702.

It is an arithmetic number, because the mean of its divisors is an integer number (1194702).

2^2389403 is an apocalyptic number.

2389403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389403 is an equidigital number, since it uses as much as digits as its factorization.

2389403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2389403 is about 1545.7693877160. The cubic root of 2389403 is about 133.6892442492.

The spelling of 2389403 in words is "two million, three hundred eighty-nine thousand, four hundred three".