4947913 has 4 divisors (see below), whose sum is σ = 4959108. Its totient is φ = 4936720.

The previous prime is 4947871. The next prime is 4947949. The reversal of 4947913 is 3197494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 915849 + 4032064 = 957^2 + 2008^2 .

It is a cyclic number.

It is not a de Polignac number, because 4947913 - 2¹⁷ = 4816841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4947013) 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, 4906 + ... + 5827.

It is an arithmetic number, because the mean of its divisors is an integer number (1239777).

Almost surely, 2^4947913 is an apocalyptic number.

It is an amenable number.

4947913 is a deficient number, since it is larger than the sum of its proper divisors (11195).

4947913 is a wasteful number, since it uses less digits than its factorization.

4947913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11194.

The product of its digits is 27216, while the sum is 37.

The square root of 4947913 is about 2224.3904783109. The cubic root of 4947913 is about 170.4017373103.

The spelling of 4947913 in words is "four million, nine hundred forty-seven thousand, nine hundred thirteen".