17428928 has 56 divisors (see below), whose sum is σ = 39745920. Its totient is φ = 7499520.

The previous prime is 17428919. The next prime is 17428937. The reversal of 17428928 is 82982471.

It is an interprime number because it is at equal distance from previous prime (17428919) and next prime (17428937).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12725 + ... + 14027.

Almost surely, 2^17428928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17428928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19872960).

17428928 is an abundant number, since it is smaller than the sum of its proper divisors (22316992).

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

17428928 is a wasteful number, since it uses less digits than its factorization.

17428928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1335 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 17428928 is about 4174.7967615203. The cubic root of 17428928 is about 259.2727606534.

The spelling of 17428928 in words is "seventeen million, four hundred twenty-eight thousand, nine hundred twenty-eight".