18858093 has 8 divisors (see below), whose sum is σ = 25172256. Its totient is φ = 12558000.

The previous prime is 18858053. The next prime is 18858113. The reversal of 18858093 is 39085881.

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

It is not a de Polignac number, because 18858093 - 2⁶ = 18858029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18858023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163 + ... + 6143.

It is an arithmetic number, because the mean of its divisors is an integer number (3146532).

Almost surely, 2^18858093 is an apocalyptic number.

It is an amenable number.

18858093 is a deficient number, since it is larger than the sum of its proper divisors (6314163).

18858093 is a wasteful number, since it uses less digits than its factorization.

18858093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 18858093 is about 4342.5905862745. The cubic root of 18858093 is about 266.1741797375.

The spelling of 18858093 in words is "eighteen million, eight hundred fifty-eight thousand, ninety-three".