428294 has 4 divisors (see below), whose sum is σ = 642444. Its totient is φ = 214146.

The previous prime is 428273. The next prime is 428297. The reversal of 428294 is 492824.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428297) 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, 107072 + ... + 107075.

It is an arithmetic number, because the mean of its divisors is an integer number (160611).

2⁴²⁸²⁹⁴ is an apocalyptic number.

428294 is a deficient number, since it is larger than the sum of its proper divisors (214150).

428294 is a wasteful number, since it uses less digits than its factorization.

428294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214149.

The product of its digits is 4608, while the sum is 29.

The square root of 428294 is about 654.4417468347. The cubic root of 428294 is about 75.3784720909.

The spelling of 428294 in words is "four hundred twenty-eight thousand, two hundred ninety-four".