4181928 has 32 divisors (see below), whose sum is σ = 10528800. Its totient is φ = 1384128.

The previous prime is 4181927. The next prime is 4181941. The reversal of 4181928 is 8291814.

It is not an unprimeable number, because it can be changed into a prime (4181927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3378 + ... + 4446.

It is an arithmetic number, because the mean of its divisors is an integer number (329025).

Almost surely, 2^4181928 is an apocalyptic number.

It is an amenable number.

4181928 is an abundant number, since it is smaller than the sum of its proper divisors (6346872).

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

4181928 is a wasteful number, since it uses less digits than its factorization.

4181928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1237 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 4181928 is about 2044.9762834811. The cubic root of 4181928 is about 161.1111201304. Note that the first 4 decimals are identical.

It can be divided in two parts, 418 and 1928, that added together give a triangular number (2346 = T₆₈).

The spelling of 4181928 in words is "four million, one hundred eighty-one thousand, nine hundred twenty-eight".