428914 has 4 divisors (see below), whose sum is σ = 643374. Its totient is φ = 214456.

The previous prime is 428899. The next prime is 428951. The reversal of 428914 is 419824.

428914 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

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., 255025 + 173889 = 505^2 + 417^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107227 + ... + 107230.

2⁴²⁸⁹¹⁴ is an apocalyptic number.

428914 is a deficient number, since it is larger than the sum of its proper divisors (214460).

428914 is a wasteful number, since it uses less digits than its factorization.

428914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214459.

The product of its digits is 2304, while the sum is 28.

The square root of 428914 is about 654.9152616942. The cubic root of 428914 is about 75.4148272735.

The spelling of 428914 in words is "four hundred twenty-eight thousand, nine hundred fourteen".