4809278 has 8 divisors (see below), whose sum is σ = 7446720. Its totient is φ = 2327040.

The previous prime is 4809271. The next prime is 4809281. The reversal of 4809278 is 8729084.

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

It is a super-3 number, since 3×4809278³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4809271) 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, 38723 + ... + 38846.

It is an arithmetic number, because the mean of its divisors is an integer number (930840).

Almost surely, 2^4809278 is an apocalyptic number.

4809278 is a deficient number, since it is larger than the sum of its proper divisors (2637442).

4809278 is a wasteful number, since it uses less digits than its factorization.

4809278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77602.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 4809278 is about 2193.0066119371. The cubic root of 4809278 is about 168.7951487791.

The spelling of 4809278 in words is "four million, eight hundred nine thousand, two hundred seventy-eight".