18849358 has 8 divisors (see below), whose sum is σ = 30844440. Its totient is φ = 8567880.

The previous prime is 18849353. The next prime is 18849359. The reversal of 18849358 is 85394881.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18849353) 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, 428373 + ... + 428416.

It is an arithmetic number, because the mean of its divisors is an integer number (3855555).

Almost surely, 2^18849358 is an apocalyptic number.

18849358 is a deficient number, since it is larger than the sum of its proper divisors (11995082).

18849358 is a wasteful number, since it uses less digits than its factorization.

18849358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856802.

The product of its digits is 276480, while the sum is 46.

The square root of 18849358 is about 4341.5847337119. The cubic root of 18849358 is about 266.1330764204.

The spelling of 18849358 in words is "eighteen million, eight hundred forty-nine thousand, three hundred fifty-eight".