18850010 has 16 divisors (see below), whose sum is σ = 34281576. Its totient is φ = 7461888.

The previous prime is 18849997. The next prime is 18850019. The reversal of 18850010 is 1005881.

It can be written as a sum of positive squares in 4 ways, for example, as 10387729 + 8462281 = 3223^2 + 2909^2 .

It is not an unprimeable number, because it can be changed into a prime (18850019) 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, 8747 + ... + 10686.

Almost surely, 2^18850010 is an apocalyptic number.

18850010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18850010 is a deficient number, since it is larger than the sum of its proper divisors (15431566).

18850010 is a wasteful number, since it uses less digits than its factorization.

18850010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19537.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 18850010 is about 4341.6598208519. The cubic root of 18850010 is about 266.1361449027.

Adding to 18850010 its reverse (1005881), we get a palindrome (19855891).

The spelling of 18850010 in words is "eighteen million, eight hundred fifty thousand, ten".