18874850 has 24 divisors (see below), whose sum is σ = 35927760. Its totient is φ = 7373520.

The previous prime is 18874831. The next prime is 18874859. The reversal of 18874850 is 5847881.

It is a junction number, because it is equal to n+sod(n) for n = 18874798 and 18874807.

It is not an unprimeable number, because it can be changed into a prime (18874859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2240 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (1496990).

Almost surely, 2^18874850 is an apocalyptic number.

18874850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18874850 is a deficient number, since it is larger than the sum of its proper divisors (17052910).

18874850 is a wasteful number, since it uses less digits than its factorization.

18874850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834 (or 8829 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 18874850 is about 4344.5195361513. The cubic root of 18874850 is about 266.2529957711.

The spelling of 18874850 in words is "eighteen million, eight hundred seventy-four thousand, eight hundred fifty".