428614 has 8 divisors (see below), whose sum is σ = 658728. Its totient is φ = 209040.

The previous prime is 428579. The next prime is 428629. The reversal of 428614 is 416824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2532 + ... + 2695.

It is an arithmetic number, because the mean of its divisors is an integer number (82341).

2⁴²⁸⁶¹⁴ is an apocalyptic number.

428614 is a deficient number, since it is larger than the sum of its proper divisors (230114).

428614 is a wasteful number, since it uses less digits than its factorization.

428614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270.

The product of its digits is 1536, while the sum is 25.

The square root of 428614 is about 654.6861843662. The cubic root of 428614 is about 75.3972404340.

The spelling of 428614 in words is "four hundred twenty-eight thousand, six hundred fourteen".