4815018 has 64 divisors (see below), whose sum is σ = 12163200. Its totient is φ = 1403568.

The previous prime is 4814987. The next prime is 4815023. The reversal of 4815018 is 8105184.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4814982 and 4815000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253413 + ... + 253431.

It is an arithmetic number, because the mean of its divisors is an integer number (190050).

Almost surely, 2^4815018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4815018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6081600).

4815018 is an abundant number, since it is smaller than the sum of its proper divisors (7348182).

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

4815018 is a wasteful number, since it uses less digits than its factorization.

4815018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 4815018 is about 2194.3149272609. The cubic root of 4815018 is about 168.8622758992.

The spelling of 4815018 in words is "four million, eight hundred fifteen thousand, eighteen".