4278798 has 64 divisors (see below), whose sum is σ = 10368000. Its totient is φ = 1302912.

The previous prime is 4278773. The next prime is 4278829. The reversal of 4278798 is 8978724.

It is a super-2 number, since 2×4278798² = 36616224649608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54123 + ... + 54201.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

Almost surely, 2^4278798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4278798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5184000).

4278798 is an abundant number, since it is smaller than the sum of its proper divisors (6089202).

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

4278798 is a wasteful number, since it uses less digits than its factorization.

4278798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 160 counting only the distinct ones).

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

The square root of 4278798 is about 2068.5255618435. The cubic root of 4278798 is about 162.3456269639.

The spelling of 4278798 in words is "four million, two hundred seventy-eight thousand, seven hundred ninety-eight".