428810 has 16 divisors (see below), whose sum is σ = 779976. Its totient is φ = 169728.

The previous prime is 428809. The next prime is 428833. The reversal of 428810 is 18824.

It can be written as a sum of positive squares in 4 ways, for example, as 219961 + 208849 = 469^2 + 457^2 .

It is a super-2 number, since 2×428810² = 367756032200, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428810.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214 + ... + 1526.

2⁴²⁸⁸¹⁰ is an apocalyptic number.

428810 is a deficient number, since it is larger than the sum of its proper divisors (351166).

428810 is a wasteful number, since it uses less digits than its factorization.

428810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 428810 is about 654.8358572956. The cubic root of 428810 is about 75.4087314314.

The spelling of 428810 in words is "four hundred twenty-eight thousand, eight hundred ten".