4999999 has 2 divisors, whose sum is σ = 5000000.
Its totient is φ = 4999998.
The previous prime is 4999963. The next prime is 5000011. The reversal of 4999999 is 9999994.
It is a strong prime.
It is a cyclic number.
It is a trimorphic number since its cube, 124999925000014999999, ends in 4999999.
It is not a de Polignac number, because 4999999 - 27 = 4999871 is a prime.
4999999 is a modest number, since divided by 9999 gives 499 as remainder.
It is a plaindrome in base 5 and base 10.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4999949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499999 + 2500000.
It is an arithmetic number, because the mean of its divisors is an integer number (2500000).
Almost surely, 24999999 is an apocalyptic number.
4999999 is a deficient number, since it is larger than the sum of its proper divisors (1).
4999999 is an equidigital number, since it uses as much as digits as its factorization.
4999999 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2125764, while the sum is 58.
The square root of 4999999 is about 2236.0677538930.
The cubic root of 4999999 is about 170.9975832678.
The spelling of 4999999 in words is "four million, nine hundred ninety-nine thousand, nine hundred ninety-nine".