4778338 has 8 divisors (see below), whose sum is σ = 7178688. Its totient is φ = 2385444.

The previous prime is 4778311. The next prime is 4778339. The reversal of 4778338 is 8338774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4778338.

It is not an unprimeable number, because it can be changed into a prime (4778339) 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, 195 + ... + 3097.

It is an arithmetic number, because the mean of its divisors is an integer number (897336).

Almost surely, 2^4778338 is an apocalyptic number.

4778338 is a deficient number, since it is larger than the sum of its proper divisors (2400350).

4778338 is a wasteful number, since it uses less digits than its factorization.

4778338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728.

The product of its digits is 112896, while the sum is 40.

The square root of 4778338 is about 2185.9409873096. The cubic root of 4778338 is about 168.4323942849.

The spelling of 4778338 in words is "four million, seven hundred seventy-eight thousand, three hundred thirty-eight".