4911813 has 8 divisors (see below), whose sum is σ = 7276800. Its totient is φ = 3274524.

The previous prime is 4911799. The next prime is 4911839. The reversal of 4911813 is 3181194.

4911813 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4911813 - 2⁶ = 4911749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 181919 = 4911813 / (4 + 9 + 1 + 1 + 8 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4911853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90933 + ... + 90986.

It is an arithmetic number, because the mean of its divisors is an integer number (909600).

Almost surely, 2^4911813 is an apocalyptic number.

It is an amenable number.

4911813 is a deficient number, since it is larger than the sum of its proper divisors (2364987).

4911813 is a wasteful number, since it uses less digits than its factorization.

4911813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181928 (or 181922 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 4911813 is about 2216.2610405816. The cubic root of 4911813 is about 169.9863080091.

It can be divided in two parts, 491 and 1813, that added together give a square (2304 = 48²).

The spelling of 4911813 in words is "four million, nine hundred eleven thousand, eight hundred thirteen".