4918939 has 4 divisors (see below), whose sum is σ = 4992424. Its totient is φ = 4845456.

The previous prime is 4918883. The next prime is 4918943. The reversal of 4918939 is 9398194.

4918939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4918939 - 2⁹ = 4918427 is a prime.

It is a Duffinian number.

4918939 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4918895 and 4918904.

It is not an unprimeable number, because it can be changed into a prime (4918999) 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, 36642 + ... + 36775.

It is an arithmetic number, because the mean of its divisors is an integer number (1248106).

Almost surely, 2^4918939 is an apocalyptic number.

4918939 is a deficient number, since it is larger than the sum of its proper divisors (73485).

4918939 is an equidigital number, since it uses as much as digits as its factorization.

4918939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73484.

The product of its digits is 69984, while the sum is 43.

The square root of 4918939 is about 2217.8681205157. The cubic root of 4918939 is about 170.0684729933.

The spelling of 4918939 in words is "four million, nine hundred eighteen thousand, nine hundred thirty-nine".