428190 has 32 divisors (see below), whose sum is σ = 1175040. Its totient is φ = 97824.

The previous prime is 428177. The next prime is 428221. The reversal of 428190 is 91824.

It is a super-2 number, since 2×428190² = 366693352200, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 428190.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428190.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810 + ... + 1229.

It is an arithmetic number, because the mean of its divisors is an integer number (36720).

2⁴²⁸¹⁹⁰ is an apocalyptic number.

428190 is an abundant number, since it is smaller than the sum of its proper divisors (746850).

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

428190 is a wasteful number, since it uses less digits than its factorization.

428190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 428190 is about 654.3622849768. The cubic root of 428190 is about 75.3723703666.

It can be divided in two parts, 4281 and 90, that added together give a triangular number (4371 = T₉₃).

The spelling of 428190 in words is "four hundred twenty-eight thousand, one hundred ninety".