9874999 has 2 divisors, whose sum is σ = 9875000. Its totient is φ = 9874998.

The previous prime is 9874961. The next prime is 9875009. The reversal of 9874999 is 9994789.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9874999 - 2¹⁹ = 9350711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9874939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4937499 + 4937500.

It is an arithmetic number, because the mean of its divisors is an integer number (4937500).

Almost surely, 2^9874999 is an apocalyptic number.

9874999 is a deficient number, since it is larger than the sum of its proper divisors (1).

9874999 is an equidigital number, since it uses as much as digits as its factorization.

9874999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 55.

The square root of 9874999 is about 3142.4511133827. The cubic root of 9874999 is about 214.5420141094.

The spelling of 9874999 in words is "nine million, eight hundred seventy-four thousand, nine hundred ninety-nine".