18764850 has 48 divisors (see below), whose sum is σ = 50121792. Its totient is φ = 4618560.

The previous prime is 18764843. The next prime is 18764887. The reversal of 18764850 is 5846781.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 18764799 and 18764808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2862 + ... + 6761.

It is an arithmetic number, because the mean of its divisors is an integer number (1044204).

Almost surely, 2^18764850 is an apocalyptic number.

18764850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18764850 is an abundant number, since it is smaller than the sum of its proper divisors (31356942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18764850 is a wasteful number, since it uses less digits than its factorization.

18764850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9651 (or 9646 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 18764850 is about 4331.8414098395. The cubic root of 18764850 is about 265.7347592536.

The spelling of 18764850 in words is "eighteen million, seven hundred sixty-four thousand, eight hundred fifty".