4809778 has 8 divisors (see below), whose sum is σ = 7409772. Its totient is φ = 2339856.

The previous prime is 4809773. The next prime is 4809781. The reversal of 4809778 is 8779084.

It can be written as a sum of positive squares in 2 ways, for example, as 4809249 + 529 = 2193^2 + 23^2 .

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

It is a super-3 number, since 3×4809778³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4809773) 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, 32425 + ... + 32572.

Almost surely, 2^4809778 is an apocalyptic number.

4809778 is a deficient number, since it is larger than the sum of its proper divisors (2599994).

4809778 is a wasteful number, since it uses less digits than its factorization.

4809778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65036.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 4809778 is about 2193.1206077186. The cubic root of 4809778 is about 168.8009982122.

The spelling of 4809778 in words is "four million, eight hundred nine thousand, seven hundred seventy-eight".