4942784 has 112 divisors (see below), whose sum is σ = 13167360. Its totient is φ = 1781760.

The previous prime is 4942781. The next prime is 4942799. The reversal of 4942784 is 4872494.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×4942784² = 48862227341312, which contains 22 as substring.

Its product of digits (64512) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942781) 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 15 ways as a sum of consecutive naturals, for example, 83747 + ... + 83805.

Almost surely, 2^4942784 is an apocalyptic number.

4942784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4942784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6583680).

4942784 is an abundant number, since it is smaller than the sum of its proper divisors (8224576).

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

4942784 is a wasteful number, since it uses less digits than its factorization.

4942784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 96 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 4942784 is about 2223.2372792844. The cubic root of 4942784 is about 170.3428375494.

The spelling of 4942784 in words is "four million, nine hundred forty-two thousand, seven hundred eighty-four".