18274896 has 100 divisors (see below), whose sum is σ = 54014400. Its totient is φ = 5963328.

The previous prime is 18274873. The next prime is 18274909. The reversal of 18274896 is 69847281.

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 19 ways as a sum of consecutive naturals, for example, 76345 + ... + 76583.

It is an arithmetic number, because the mean of its divisors is an integer number (540144).

Almost surely, 2^18274896 is an apocalyptic number.

18274896 is a gapful number since it is divisible by the number (16) 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 18274896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27007200).

18274896 is an abundant number, since it is smaller than the sum of its proper divisors (35739504).

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

18274896 is a wasteful number, since it uses less digits than its factorization.

18274896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 303 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 18274896 is about 4274.9147359918. The cubic root of 18274896 is about 263.4015369278.

It can be divided in two parts, 182 and 74896, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 18274896 in words is "eighteen million, two hundred seventy-four thousand, eight hundred ninety-six".