4947815 has 8 divisors (see below), whose sum is σ = 6049728. Its totient is φ = 3883360.

The previous prime is 4947797. The next prime is 4947821. The reversal of 4947815 is 5187494.

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

It is not a de Polignac number, because 4947815 - 2⁸ = 4947559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9071 + ... + 9600.

It is an arithmetic number, because the mean of its divisors is an integer number (756216).

Almost surely, 2^4947815 is an apocalyptic number.

4947815 is a deficient number, since it is larger than the sum of its proper divisors (1101913).

4947815 is a wasteful number, since it uses less digits than its factorization.

4947815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18729.

The product of its digits is 40320, while the sum is 38.

The square root of 4947815 is about 2224.3684496953. The cubic root of 4947815 is about 170.4006122918.

The spelling of 4947815 in words is "four million, nine hundred forty-seven thousand, eight hundred fifteen".