4892778 has 32 divisors (see below), whose sum is σ = 11862720. Its totient is φ = 1482480.

The previous prime is 4892773. The next prime is 4892791. The reversal of 4892778 is 8772984.

It is not an unprimeable number, because it can be changed into a prime (4892773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3525 + ... + 4712.

It is an arithmetic number, because the mean of its divisors is an integer number (370710).

Almost surely, 2^4892778 is an apocalyptic number.

4892778 is an abundant number, since it is smaller than the sum of its proper divisors (6969942).

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

4892778 is a wasteful number, since it uses less digits than its factorization.

4892778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259 (or 8253 counting only the distinct ones).

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

The square root of 4892778 is about 2211.9624770778. The cubic root of 4892778 is about 169.7664381969.

The spelling of 4892778 in words is "four million, eight hundred ninety-two thousand, seven hundred seventy-eight".