18750828 has 24 divisors (see below), whose sum is σ = 43909488. Its totient is φ = 6227776.

The previous prime is 18750827. The next prime is 18750829. The reversal of 18750828 is 82805781.

It is an interprime number because it is at equal distance from previous prime (18750827) and next prime (18750829).

It is not an unprimeable number, because it can be changed into a prime (18750827) 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, 850 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (1829562).

Almost surely, 2^18750828 is an apocalyptic number.

It is an amenable number.

18750828 is an abundant number, since it is smaller than the sum of its proper divisors (25158660).

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

18750828 is a wasteful number, since it uses less digits than its factorization.

18750828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633 (or 5631 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 18750828 is about 4330.2226270713. Note that the first 3 decimals coincide. The cubic root of 18750828 is about 265.6685528216.

It can be divided in two parts, 187 and 50828, that added together give a palindrome (51015).

The spelling of 18750828 in words is "eighteen million, seven hundred fifty thousand, eight hundred twenty-eight".