17428994 has 8 divisors (see below), whose sum is σ = 28520208. Its totient is φ = 7922260.

The previous prime is 17428993. The next prime is 17429021. The reversal of 17428994 is 49982471.

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 (17428993) 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, 396092 + ... + 396135.

It is an arithmetic number, because the mean of its divisors is an integer number (3565026).

Almost surely, 2^17428994 is an apocalyptic number.

17428994 is a deficient number, since it is larger than the sum of its proper divisors (11091214).

17428994 is a wasteful number, since it uses less digits than its factorization.

17428994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792240.

The product of its digits is 145152, while the sum is 44.

The square root of 17428994 is about 4174.8046660892. The cubic root of 17428994 is about 259.2730879250.

The spelling of 17428994 in words is "seventeen million, four hundred twenty-eight thousand, nine hundred ninety-four".