4939647 has 8 divisors (see below), whose sum is σ = 6611760. Its totient is φ = 3280320.

The previous prime is 4939637. The next prime is 4939661. The reversal of 4939647 is 7469394.

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

It is not a de Polignac number, because 4939647 - 2⁴ = 4939631 is a prime.

It is a super-2 number, since 2×4939647² = 48800224969218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4939599 and 4939608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254 + ... + 3867.

It is an arithmetic number, because the mean of its divisors is an integer number (826470).

Almost surely, 2^4939647 is an apocalyptic number.

4939647 is a deficient number, since it is larger than the sum of its proper divisors (1672113).

4939647 is a wasteful number, since it uses less digits than its factorization.

4939647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393.

The product of its digits is 163296, while the sum is 42.

The square root of 4939647 is about 2222.5316645663. The cubic root of 4939647 is about 170.3067931820.

The spelling of 4939647 in words is "four million, nine hundred thirty-nine thousand, six hundred forty-seven".