4778330 has 16 divisors (see below), whose sum is σ = 8898120. Its totient is φ = 1845312.

The previous prime is 4778311. The next prime is 4778339. The reversal of 4778330 is 338774.

It can be written as a sum of positive squares in 4 ways, for example, as 3530641 + 1247689 = 1879^2 + 1117^2 .

It is not an unprimeable number, because it can be changed into a prime (4778339) 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 7 ways as a sum of consecutive naturals, for example, 7949 + ... + 8528.

Almost surely, 2^4778330 is an apocalyptic number.

4778330 is a deficient number, since it is larger than the sum of its proper divisors (4119790).

4778330 is a wasteful number, since it uses less digits than its factorization.

4778330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16513.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 4778330 is about 2185.9391574333. The cubic root of 4778330 is about 168.4323002871.

The spelling of 4778330 in words is "four million, seven hundred seventy-eight thousand, three hundred thirty".