4947312 has 20 divisors (see below), whose sum is σ = 12780680. Its totient is φ = 1649088.

The previous prime is 4947311. The next prime is 4947329. The reversal of 4947312 is 2137494.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4947312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947311) 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 3 ways as a sum of consecutive naturals, for example, 51487 + ... + 51582.

It is an arithmetic number, because the mean of its divisors is an integer number (639034).

Almost surely, 2^4947312 is an apocalyptic number.

It is an amenable number.

4947312 is an abundant number, since it is smaller than the sum of its proper divisors (7833368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4947312 is a wasteful number, since it uses less digits than its factorization.

4947312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103080 (or 103074 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 4947312 is about 2224.2553810208. The cubic root of 4947312 is about 170.3948377285.

The spelling of 4947312 in words is "four million, nine hundred forty-seven thousand, three hundred twelve".