4181028 has 12 divisors (see below), whose sum is σ = 9755760. Its totient is φ = 1393672.

The previous prime is 4180987. The next prime is 4181041. The reversal of 4181028 is 8201814.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 4180989 and 4181007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174198 + ... + 174221.

It is an arithmetic number, because the mean of its divisors is an integer number (812980).

Almost surely, 2^4181028 is an apocalyptic number.

It is an amenable number.

4181028 is an abundant number, since it is smaller than the sum of its proper divisors (5574732).

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

4181028 is a wasteful number, since it uses less digits than its factorization.

4181028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348426 (or 348424 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 4181028 is about 2044.7562201886. The cubic root of 4181028 is about 161.0995616330.

The spelling of 4181028 in words is "four million, one hundred eighty-one thousand, twenty-eight".