4781899 has 4 divisors (see below), whose sum is σ = 4791280. Its totient is φ = 4772520.

The previous prime is 4781873. The next prime is 4781911. The reversal of 4781899 is 9981874.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4781899 - 2⁵ = 4781867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4701899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3879 + ... + 4960.

It is an arithmetic number, because the mean of its divisors is an integer number (1197820).

Almost surely, 2^4781899 is an apocalyptic number.

4781899 is a deficient number, since it is larger than the sum of its proper divisors (9381).

4781899 is an equidigital number, since it uses as much as digits as its factorization.

4781899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380.

The product of its digits is 145152, while the sum is 46.

The square root of 4781899 is about 2186.7553589737. The cubic root of 4781899 is about 168.4742246467.

The spelling of 4781899 in words is "four million, seven hundred eighty-one thousand, eight hundred ninety-nine".