428356 has 6 divisors (see below), whose sum is σ = 749630. Its totient is φ = 214176.

The previous prime is 428353. The next prime is 428369. The reversal of 428356 is 653824.

428356 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., 280900 + 147456 = 530^2 + 384^2 .

It is not an unprimeable number, because it can be changed into a prime (428353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53541 + ... + 53548.

2⁴²⁸³⁵⁶ is an apocalyptic number.

It is an amenable number.

428356 is a deficient number, since it is larger than the sum of its proper divisors (321274).

428356 is a wasteful number, since it uses less digits than its factorization.

428356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107093 (or 107091 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 428356 is about 654.4891137368. The cubic root of 428356 is about 75.3821091874.

It can be divided in two parts, 428 and 356, that added together give a square (784 = 28²).

The spelling of 428356 in words is "four hundred twenty-eight thousand, three hundred fifty-six".