18250860 has 96 divisors (see below), whose sum is σ = 56064960. Its totient is φ = 4415488.

The previous prime is 18250823. The next prime is 18250901. The reversal of 18250860 is 6805281.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 29272 + ... + 29888.

It is an arithmetic number, because the mean of its divisors is an integer number (584010).

Almost surely, 2^18250860 is an apocalyptic number.

18250860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18250860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28032480).

18250860 is an abundant number, since it is smaller than the sum of its proper divisors (37814100).

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

18250860 is a wasteful number, since it uses less digits than its factorization.

18250860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 18250860 is about 4272.1025268596. The cubic root of 18250860 is about 263.2860069127.

It can be divided in two parts, 18250 and 860, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 18250860 in words is "eighteen million, two hundred fifty thousand, eight hundred sixty".