9871403 has 2 divisors, whose sum is σ = 9871404. Its totient is φ = 9871402.

The previous prime is 9871391. The next prime is 9871427. The reversal of 9871403 is 3041789.

It is a weak prime.

It is an emirp because it is prime and its reverse (3041789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9871403 - 2¹² = 9867307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9871403.

It is not a weakly prime, because it can be changed into another prime (9871483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4935701 + 4935702.

It is an arithmetic number, because the mean of its divisors is an integer number (4935702).

Almost surely, 2^9871403 is an apocalyptic number.

9871403 is a deficient number, since it is larger than the sum of its proper divisors (1).

9871403 is an equidigital number, since it uses as much as digits as its factorization.

9871403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 9871403 is about 3141.8788964567. The cubic root of 9871403 is about 214.5159689844.

The spelling of 9871403 in words is "nine million, eight hundred seventy-one thousand, four hundred three".