428276 has 6 divisors (see below), whose sum is σ = 749490. Its totient is φ = 214136.

The previous prime is 428273. The next prime is 428297. The reversal of 428276 is 672824.

428276 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 5776 = 650^2 + 76^2 .

It is a pancake number, because a pancake can be divided into 428276 parts by 925 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53531 + ... + 53538.

It is an arithmetic number, because the mean of its divisors is an integer number (124915).

2⁴²⁸²⁷⁶ is an apocalyptic number.

It is an amenable number.

428276 is a deficient number, since it is larger than the sum of its proper divisors (321214).

428276 is a wasteful number, since it uses less digits than its factorization.

428276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107073 (or 107071 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 428276 is about 654.4279945112. The cubic root of 428276 is about 75.3774160940.

The spelling of 428276 in words is "four hundred twenty-eight thousand, two hundred seventy-six".