428674 has 8 divisors (see below), whose sum is σ = 671040. Its totient is φ = 204996.

The previous prime is 428671. The next prime is 428677. The reversal of 428674 is 476824.

It is an interprime number because it is at equal distance from previous prime (428671) and next prime (428677).

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

It is a super-2 number, since 2×428674² = 367522796552, which contains 22 as substring.

It is a cake number, because a cake can be divided into 428674 parts by 137 planar cuts.

It is not an unprimeable number, because it can be changed into a prime (428671) 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 in 3 ways as a sum of consecutive naturals, for example, 4614 + ... + 4705.

It is an arithmetic number, because the mean of its divisors is an integer number (83880).

2⁴²⁸⁶⁷⁴ is an apocalyptic number.

428674 is a deficient number, since it is larger than the sum of its proper divisors (242366).

428674 is a wasteful number, since it uses less digits than its factorization.

428674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9344.

The product of its digits is 10752, while the sum is 31.

The square root of 428674 is about 654.7320062438. The cubic root of 428674 is about 75.4007584583.

The spelling of 428674 in words is "four hundred twenty-eight thousand, six hundred seventy-four".