4947497 has 8 divisors (see below), whose sum is σ = 5074056. Its totient is φ = 4822272.

The previous prime is 4947463. The next prime is 4947499. The reversal of 4947497 is 7947494.

It can be written as a sum of positive squares in 4 ways, for example, as 212521 + 4734976 = 461^2 + 2176^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4947497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14513 + ... + 14849.

It is an arithmetic number, because the mean of its divisors is an integer number (634257).

Almost surely, 2^4947497 is an apocalyptic number.

It is an amenable number.

4947497 is a deficient number, since it is larger than the sum of its proper divisors (126559).

4947497 is a wasteful number, since it uses less digits than its factorization.

4947497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its digits is 254016, while the sum is 44.

The square root of 4947497 is about 2224.2969675832. The cubic root of 4947497 is about 170.3969616194.

The spelling of 4947497 in words is "four million, nine hundred forty-seven thousand, four hundred ninety-seven".