428698 has 8 divisors (see below), whose sum is σ = 652320. Its totient is φ = 211260.

The previous prime is 428693. The next prime is 428731. The reversal of 428698 is 896824.

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

It is not an unprimeable number, because it can be changed into a prime (428693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (81540).

2⁴²⁸⁶⁹⁸ is an apocalyptic number.

428698 is a deficient number, since it is larger than the sum of its proper divisors (223622).

428698 is a wasteful number, since it uses less digits than its factorization.

428698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092.

The product of its digits is 27648, while the sum is 37.

The square root of 428698 is about 654.7503340969. The cubic root of 428698 is about 75.4021655761.

The spelling of 428698 in words is "four hundred twenty-eight thousand, six hundred ninety-eight".