4999813 has 24 divisors (see below), whose sum is σ = 6435072. Its totient is φ = 3848544.

The previous prime is 4999801. The next prime is 4999823. The reversal of 4999813 is 3189994.

It is not a de Polignac number, because 4999813 - 2⁵ = 4999781 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

4999813 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4999813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29856 + ... + 30022.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

Almost surely, 2^4999813 is an apocalyptic number.

It is an amenable number.

4999813 is a deficient number, since it is larger than the sum of its proper divisors (1435259).

4999813 is a wasteful number, since it uses less digits than its factorization.

4999813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 234 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 4999813 is about 2236.0261626376. The cubic root of 4999813 is about 170.9954628711.

The spelling of 4999813 in words is "four million, nine hundred ninety-nine thousand, eight hundred thirteen".