4928778 has 12 divisors (see below), whose sum is σ = 10679058. Its totient is φ = 1642920.

The previous prime is 4928773. The next prime is 4928779. The reversal of 4928778 is 8778294.

It can be written as a sum of positive squares in only one way, i.e., 4915089 + 13689 = 2217^2 + 117^2 .

It is not an unprimeable number, because it can be changed into a prime (4928773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136893 + ... + 136928.

Almost surely, 2^4928778 is an apocalyptic number.

4928778 is an abundant number, since it is smaller than the sum of its proper divisors (5750280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4928778 is a wasteful number, since it uses less digits than its factorization.

4928778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273829 (or 273826 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 4928778 is about 2220.0851335028. The cubic root of 4928778 is about 170.1817893867.

The spelling of 4928778 in words is "four million, nine hundred twenty-eight thousand, seven hundred seventy-eight".