428946 has 24 divisors (see below), whose sum is σ = 998640. Its totient is φ = 122472.

The previous prime is 428899. The next prime is 428951. The reversal of 428946 is 649824.

428946 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

428946 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (41610).

2⁴²⁸⁹⁴⁶ is an apocalyptic number.

428946 is an abundant number, since it is smaller than the sum of its proper divisors (569694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428946 is a wasteful number, since it uses less digits than its factorization.

428946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1471 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 428946 is about 654.9396918801. The cubic root of 428946 is about 75.4167027190.

The spelling of 428946 in words is "four hundred twenty-eight thousand, nine hundred forty-six".