4799781 has 24 divisors (see below), whose sum is σ = 8097024. Its totient is φ = 2682720.

The previous prime is 4799777. The next prime is 4799783. The reversal of 4799781 is 1879974.

It is not a de Polignac number, because 4799781 - 2² = 4799777 is a prime.

It is a super-2 number, since 2×4799781² = 46075795295922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4799783) 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 23 ways as a sum of consecutive naturals, for example, 2151 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (337376).

Almost surely, 2^4799781 is an apocalyptic number.

It is an amenable number.

4799781 is a deficient number, since it is larger than the sum of its proper divisors (3297243).

4799781 is a wasteful number, since it uses less digits than its factorization.

4799781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1678 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 4799781 is about 2190.8402497672. The cubic root of 4799781 is about 168.6839675803.

The spelling of 4799781 in words is "four million, seven hundred ninety-nine thousand, seven hundred eighty-one".