4190728 has 16 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 2089488.

The previous prime is 4190717. The next prime is 4190729. The reversal of 4190728 is 8270914.

It is a self number, because there is not a number n which added to its sum of digits gives 4190728.

It is not an unprimeable number, because it can be changed into a prime (4190729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4425 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (492480).

Almost surely, 2^4190728 is an apocalyptic number.

It is an amenable number.

4190728 is a deficient number, since it is larger than the sum of its proper divisors (3688952).

4190728 is a wasteful number, since it uses less digits than its factorization.

4190728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1472 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4190728 is about 2047.1267669590. The cubic root of 4190728 is about 161.2240492661.

The spelling of 4190728 in words is "four million, one hundred ninety thousand, seven hundred twenty-eight".