18850648 has 16 divisors (see below), whose sum is σ = 35689680. Its totient is φ = 9333408.

The previous prime is 18850633. The next prime is 18850661. The reversal of 18850648 is 84605881.

It is a self number, because there is not a number n which added to its sum of digits gives 18850648.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10615 + ... + 12262.

It is an arithmetic number, because the mean of its divisors is an integer number (2230605).

Almost surely, 2^18850648 is an apocalyptic number.

It is an amenable number.

18850648 is a deficient number, since it is larger than the sum of its proper divisors (16839032).

18850648 is a wasteful number, since it uses less digits than its factorization.

18850648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22986 (or 22982 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 18850648 is about 4341.7332944344. The cubic root of 18850648 is about 266.1391474288.

The spelling of 18850648 in words is "eighteen million, eight hundred fifty thousand, six hundred forty-eight".