4881918 has 16 divisors (see below), whose sum is σ = 10100880. Its totient is φ = 1571136.

The previous prime is 4881901. The next prime is 4881931. The reversal of 4881918 is 8191884.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13855 + ... + 14202.

It is an arithmetic number, because the mean of its divisors is an integer number (631305).

Almost surely, 2^4881918 is an apocalyptic number.

4881918 is an abundant number, since it is smaller than the sum of its proper divisors (5218962).

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

4881918 is a wasteful number, since it uses less digits than its factorization.

4881918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28091.

The product of its digits is 18432, while the sum is 39.

The square root of 4881918 is about 2209.5062796924. The cubic root of 4881918 is about 169.6407407392.

The spelling of 4881918 in words is "four million, eight hundred eighty-one thousand, nine hundred eighteen".