4912784 has 20 divisors (see below), whose sum is σ = 9751980. Its totient is φ = 2396160.

The previous prime is 4912781. The next prime is 4912807. The reversal of 4912784 is 4872194.

It can be written as a sum of positive squares in 2 ways, for example, as 1149184 + 3763600 = 1072^2 + 1940^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4912781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3089 + ... + 4400.

It is an arithmetic number, because the mean of its divisors is an integer number (487599).

Almost surely, 2^4912784 is an apocalyptic number.

It is an amenable number.

4912784 is a deficient number, since it is larger than the sum of its proper divisors (4839196).

4912784 is a wasteful number, since it uses less digits than its factorization.

4912784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538 (or 7532 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 4912784 is about 2216.4800923988. The cubic root of 4912784 is about 169.9975086140.

The spelling of 4912784 in words is "four million, nine hundred twelve thousand, seven hundred eighty-four".