4786278 has 32 divisors (see below), whose sum is σ = 11079936. Its totient is φ = 1350048.

The previous prime is 4786267. The next prime is 4786291. The reversal of 4786278 is 8726874.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 4¹¹ + 7⁵ + 8 + 6⁴ + 2¹⁹ + 7⁵ + 8⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2800 + ... + 4172.

It is an arithmetic number, because the mean of its divisors is an integer number (346248).

Almost surely, 2^4786278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4786278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5539968).

4786278 is an abundant number, since it is smaller than the sum of its proper divisors (6293658).

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

4786278 is a wasteful number, since it uses less digits than its factorization.

4786278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468.

The product of its digits is 150528, while the sum is 42.

The square root of 4786278 is about 2187.7563849753. The cubic root of 4786278 is about 168.5256354320.

The spelling of 4786278 in words is "four million, seven hundred eighty-six thousand, two hundred seventy-eight".