4780284 has 12 divisors (see below), whose sum is σ = 11154024. Its totient is φ = 1593424.

The previous prime is 4780283. The next prime is 4780291. The reversal of 4780284 is 4820874.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4780284² = 45702230241312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4780283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199167 + ... + 199190.

It is an arithmetic number, because the mean of its divisors is an integer number (929502).

Almost surely, 2^4780284 is an apocalyptic number.

It is an amenable number.

4780284 is an abundant number, since it is smaller than the sum of its proper divisors (6373740).

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

4780284 is a wasteful number, since it uses less digits than its factorization.

4780284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398364 (or 398362 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 4780284 is about 2186.3860592311. The cubic root of 4780284 is about 168.4552561359.

The spelling of 4780284 in words is "four million, seven hundred eighty thousand, two hundred eighty-four".