16858042 has 8 divisors (see below), whose sum is σ = 25420032. Its totient is φ = 8384700.

The previous prime is 16858031. The next prime is 16858043. The reversal of 16858042 is 24085861.

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

It is a junction number, because it is equal to n+sod(n) for n = 16857989 and 16858007.

It is not an unprimeable number, because it can be changed into a prime (16858043) 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, 21684 + ... + 22447.

It is an arithmetic number, because the mean of its divisors is an integer number (3177504).

Almost surely, 2^16858042 is an apocalyptic number.

16858042 is a deficient number, since it is larger than the sum of its proper divisors (8561990).

16858042 is a wasteful number, since it uses less digits than its factorization.

16858042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44324.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 16858042 is about 4105.8546004456. The cubic root of 16858042 is about 256.4104438800.

The spelling of 16858042 in words is "sixteen million, eight hundred fifty-eight thousand, forty-two".