4939811 has 4 divisors (see below), whose sum is σ = 4955712. Its totient is φ = 4923912.

The previous prime is 4939807. The next prime is 4939813. The reversal of 4939811 is 1189394.

4939811 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1189394 = 2 ⋅594697.

It is a cyclic number.

It is not a de Polignac number, because 4939811 - 2² = 4939807 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4939813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7475 + ... + 8108.

It is an arithmetic number, because the mean of its divisors is an integer number (1238928).

Almost surely, 2^4939811 is an apocalyptic number.

4939811 is a deficient number, since it is larger than the sum of its proper divisors (15901).

4939811 is a wasteful number, since it uses less digits than its factorization.

4939811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15900.

The product of its digits is 7776, while the sum is 35.

The square root of 4939811 is about 2222.5685591225. The cubic root of 4939811 is about 170.3086779324.

The spelling of 4939811 in words is "four million, nine hundred thirty-nine thousand, eight hundred eleven".