4939641 has 36 divisors (see below), whose sum is σ = 8678592. Its totient is φ = 2694384.

The previous prime is 4939637. The next prime is 4939661. The reversal of 4939641 is 1469394.

4939641 is a `hidden beast` number, since 4 + 9 + 3 + 9 + 641 = 666.

It is not a de Polignac number, because 4939641 - 2² = 4939637 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4939596 and 4939605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939621) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9900 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (241072).

Almost surely, 2^4939641 is an apocalyptic number.

It is an amenable number.

4939641 is a deficient number, since it is larger than the sum of its proper divisors (3738951).

4939641 is a wasteful number, since it uses less digits than its factorization.

4939641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 520 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 4939641 is about 2222.5303147539. The cubic root of 4939641 is about 170.3067242269.

The spelling of 4939641 in words is "four million, nine hundred thirty-nine thousand, six hundred forty-one".