4940839 has 4 divisors (see below), whose sum is σ = 4946656. Its totient is φ = 4935024.

The previous prime is 4940827. The next prime is 4940843. The reversal of 4940839 is 9380494.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4940839 - 2⁷ = 4940711 is a prime.

It is a Duffinian number.

4940839 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4940798 and 4940807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4940809) 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 3 ways as a sum of consecutive naturals, for example, 1359 + ... + 3424.

It is an arithmetic number, because the mean of its divisors is an integer number (1236664).

Almost surely, 2^4940839 is an apocalyptic number.

4940839 is a deficient number, since it is larger than the sum of its proper divisors (5817).

4940839 is a wasteful number, since it uses less digits than its factorization.

4940839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 4940839 is about 2222.7998110491. The cubic root of 4940839 is about 170.3204911493.

The spelling of 4940839 in words is "four million, nine hundred forty thousand, eight hundred thirty-nine".