18853106 has 4 divisors (see below), whose sum is σ = 28279662. Its totient is φ = 9426552.

The previous prime is 18853099. The next prime is 18853139. The reversal of 18853106 is 60135881.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18139081 + 714025 = 4259^2 + 845^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4713275 + ... + 4713278.

Almost surely, 2^18853106 is an apocalyptic number.

18853106 is a deficient number, since it is larger than the sum of its proper divisors (9426556).

18853106 is an equidigital number, since it uses as much as digits as its factorization.

18853106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426555.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 18853106 is about 4342.0163518808. The cubic root of 18853106 is about 266.1507145218.

Adding to 18853106 its reverse (60135881), we get a palindrome (78988987).

The spelling of 18853106 in words is "eighteen million, eight hundred fifty-three thousand, one hundred six".