428354 has 4 divisors (see below), whose sum is σ = 642534. Its totient is φ = 214176.

The previous prime is 428353. The next prime is 428369. The reversal of 428354 is 453824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 286225 + 142129 = 535^2 + 377^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428354.

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, 107087 + ... + 107090.

2⁴²⁸³⁵⁴ is an apocalyptic number.

428354 is a deficient number, since it is larger than the sum of its proper divisors (214180).

428354 is a wasteful number, since it uses less digits than its factorization.

428354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214179.

The product of its digits is 3840, while the sum is 26.

The square root of 428354 is about 654.4875858257. The cubic root of 428354 is about 75.3819918672.

The spelling of 428354 in words is "four hundred twenty-eight thousand, three hundred fifty-four".