4939247 has 4 divisors (see below), whose sum is σ = 4998840. Its totient is φ = 4879656.

The previous prime is 4939243. The next prime is 4939271. The reversal of 4939247 is 7429394.

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 4939247 - 2² = 4939243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4939247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939243) 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, 29672 + ... + 29837.

It is an arithmetic number, because the mean of its divisors is an integer number (1249710).

Almost surely, 2^4939247 is an apocalyptic number.

4939247 is a deficient number, since it is larger than the sum of its proper divisors (59593).

4939247 is an equidigital number, since it uses as much as digits as its factorization.

4939247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59592.

The product of its digits is 54432, while the sum is 38.

The square root of 4939247 is about 2222.4416752752. The cubic root of 4939247 is about 170.3021960548.

The spelling of 4939247 in words is "four million, nine hundred thirty-nine thousand, two hundred forty-seven".