18280896 has 28 divisors (see below), whose sum is σ = 48368712. Its totient is φ = 6093568.

The previous prime is 18280877. The next prime is 18280897. The reversal of 18280896 is 69808281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18280897) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47415 + ... + 47798.

It is an arithmetic number, because the mean of its divisors is an integer number (1727454).

Almost surely, 2^18280896 is an apocalyptic number.

18280896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18280896 is an abundant number, since it is smaller than the sum of its proper divisors (30087816).

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

18280896 is an equidigital number, since it uses as much as digits as its factorization.

18280896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95228 (or 95218 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 18280896 is about 4275.6164467828. The cubic root of 18280896 is about 263.4303603713.

The spelling of 18280896 in words is "eighteen million, two hundred eighty thousand, eight hundred ninety-six".