4028418 has 24 divisors (see below), whose sum is σ = 9188400. Its totient is φ = 1272024.

The previous prime is 4028413. The next prime is 4028429. The reversal of 4028418 is 8148204.

It is a super-3 number, since 3×4028418³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4028391 and 4028400.

It is not an unprimeable number, because it can be changed into a prime (4028413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5548 + ... + 6231.

It is an arithmetic number, because the mean of its divisors is an integer number (382850).

Almost surely, 2^4028418 is an apocalyptic number.

4028418 is an abundant number, since it is smaller than the sum of its proper divisors (5159982).

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

4028418 is a wasteful number, since it uses less digits than its factorization.

4028418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11806 (or 11803 counting only the distinct ones).

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

The square root of 4028418 is about 2007.0919261459. The cubic root of 4028418 is about 159.1151414714.

The spelling of 4028418 in words is "four million, twenty-eight thousand, four hundred eighteen".