4991833 has 16 divisors (see below), whose sum is σ = 6272640. Its totient is φ = 3859200.

The previous prime is 4991803. The next prime is 4991839. The reversal of 4991833 is 3381994.

It is a cyclic number.

It is not a de Polignac number, because 4991833 - 2⁵ = 4991801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4991792 and 4991801.

It is not an unprimeable number, because it can be changed into a prime (4991839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18423 + ... + 18691.

It is an arithmetic number, because the mean of its divisors is an integer number (392040).

Almost surely, 2^4991833 is an apocalyptic number.

It is an amenable number.

4991833 is a deficient number, since it is larger than the sum of its proper divisors (1280807).

4991833 is a wasteful number, since it uses less digits than its factorization.

4991833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its digits is 23328, while the sum is 37.

The square root of 4991833 is about 2234.2410344455. The cubic root of 4991833 is about 170.9044414400.

It can be divided in two parts, 499 and 1833, that added together give a palindrome (2332).

The spelling of 4991833 in words is "four million, nine hundred ninety-one thousand, eight hundred thirty-three".