428412 has 24 divisors (see below), whose sum is σ = 1052800. Its totient is φ = 135216.

The previous prime is 428411. The next prime is 428429. The reversal of 428412 is 214824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712 + ... + 1167.

2⁴²⁸⁴¹² is an apocalyptic number.

It is an amenable number.

428412 is an abundant number, since it is smaller than the sum of its proper divisors (624388).

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

428412 is a wasteful number, since it uses less digits than its factorization.

428412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 1903 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 428412 is about 654.5318937989. The cubic root of 428412 is about 75.3853940051.

The spelling of 428412 in words is "four hundred twenty-eight thousand, four hundred twelve".