4048218 has 20 divisors (see below), whose sum is σ = 9071370. Its totient is φ = 1349352.

The previous prime is 4048211. The next prime is 4048223. The reversal of 4048218 is 8128404.

It can be written as a sum of positive squares in only one way, i.e., 2152089 + 1896129 = 1467^2 + 1377^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4048191 and 4048200.

It is not an unprimeable number, because it can be changed into a prime (4048211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12333 + ... + 12656.

Almost surely, 2^4048218 is an apocalyptic number.

4048218 is an abundant number, since it is smaller than the sum of its proper divisors (5023152).

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

4048218 is a wasteful number, since it uses less digits than its factorization.

4048218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003 (or 24994 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 4048218 is about 2012.0183895780. The cubic root of 4048218 is about 159.3754034592.

The spelling of 4048218 in words is "four million, forty-eight thousand, two hundred eighteen".