4780818 has 48 divisors (see below), whose sum is σ = 12467520. Its totient is φ = 1293408.

The previous prime is 4780781. The next prime is 4780819. The reversal of 4780818 is 8180874.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4780819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1396 + ... + 3392.

It is an arithmetic number, because the mean of its divisors is an integer number (259740).

Almost surely, 2^4780818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4780818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6233760).

4780818 is an abundant number, since it is smaller than the sum of its proper divisors (7686702).

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

4780818 is a wasteful number, since it uses less digits than its factorization.

4780818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 4780818 is about 2186.5081751505. The cubic root of 4780818 is about 168.4615285496.

The spelling of 4780818 in words is "four million, seven hundred eighty thousand, eight hundred eighteen".