18857050 has 24 divisors (see below), whose sum is σ = 36025596. Its totient is φ = 7338240.

The previous prime is 18857039. The next prime is 18857051. The reversal of 18857050 is 5075881.

It can be written as a sum of positive squares in 6 ways, for example, as 13053769 + 5803281 = 3613^2 + 2409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18856997 and 18857015.

It is not an unprimeable number, because it can be changed into a prime (18857051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3247 + ... + 6946.

Almost surely, 2^18857050 is an apocalyptic number.

18857050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18857050 is a deficient number, since it is larger than the sum of its proper divisors (17168546).

18857050 is a wasteful number, since it uses less digits than its factorization.

18857050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242 (or 10237 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 18857050 is about 4342.4704950063. The cubic root of 18857050 is about 266.1692724759.

The spelling of 18857050 in words is "eighteen million, eight hundred fifty-seven thousand, fifty".