4778794 has 8 divisors (see below), whose sum is σ = 7415460. Its totient is φ = 2306976.

The previous prime is 4778791. The next prime is 4778803. The reversal of 4778794 is 4978774.

It can be written as a sum of positive squares in 2 ways, for example, as 4515625 + 263169 = 2125^2 + 513^2 .

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

It is a d-powerful number, because it can be written as 4⁵ + 7² + 7⁴ + 8⁵ + 7⁵ + 9⁶ + 4¹¹ .

It is not an unprimeable number, because it can be changed into a prime (4778791) 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, 41139 + ... + 41254.

Almost surely, 2^4778794 is an apocalyptic number.

4778794 is a deficient number, since it is larger than the sum of its proper divisors (2636666).

4778794 is a wasteful number, since it uses less digits than its factorization.

4778794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82424.

The product of its digits is 395136, while the sum is 46.

The square root of 4778794 is about 2186.0452877285. The cubic root of 4778794 is about 168.4377519866.

The spelling of 4778794 in words is "four million, seven hundred seventy-eight thousand, seven hundred ninety-four".