4992813 has 16 divisors (see below), whose sum is σ = 8453760. Its totient is φ = 2852928.

The previous prime is 4992809. The next prime is 4992821. The reversal of 4992813 is 3182994.

It is not a de Polignac number, because 4992813 - 2² = 4992809 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

4992813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4992833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13020 + ... + 13397.

It is an arithmetic number, because the mean of its divisors is an integer number (528360).

Almost surely, 2^4992813 is an apocalyptic number.

It is an amenable number.

4992813 is a deficient number, since it is larger than the sum of its proper divisors (3460947).

4992813 is a wasteful number, since it uses less digits than its factorization.

4992813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26433 (or 26427 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 4992813 is about 2234.4603375312. The cubic root of 4992813 is about 170.9156247331.

The spelling of 4992813 in words is "four million, nine hundred ninety-two thousand, eight hundred thirteen".