4939805 has 8 divisors (see below), whose sum is σ = 6383832. Its totient is φ = 3647808.

The previous prime is 4939789. The next prime is 4939807. The reversal of 4939805 is 5089394.

It can be written as a sum of positive squares in 4 ways, for example, as 42436 + 4897369 = 206^2 + 2213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4939805 - 2⁴ = 4939789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37934 + ... + 38063.

It is an arithmetic number, because the mean of its divisors is an integer number (797979).

Almost surely, 2^4939805 is an apocalyptic number.

It is an amenable number.

4939805 is a deficient number, since it is larger than the sum of its proper divisors (1444027).

4939805 is a wasteful number, since it uses less digits than its factorization.

4939805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76015.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 4939805 is about 2222.5672093325. The cubic root of 4939805 is about 170.3086089788.

The spelling of 4939805 in words is "four million, nine hundred thirty-nine thousand, eight hundred five".