18249896 has 16 divisors (see below), whose sum is σ = 39107040. Its totient is φ = 7821360.

The previous prime is 18249877. The next prime is 18249923. The reversal of 18249896 is 69894281.

It is a self number, because there is not a number n which added to its sum of digits gives 18249896.

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 3 ways as a sum of consecutive naturals, for example, 162890 + ... + 163001.

It is an arithmetic number, because the mean of its divisors is an integer number (2444190).

Almost surely, 2^18249896 is an apocalyptic number.

It is an amenable number.

18249896 is an abundant number, since it is smaller than the sum of its proper divisors (20857144).

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

18249896 is a wasteful number, since it uses less digits than its factorization.

18249896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325904 (or 325900 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 18249896 is about 4271.9897003621. The cubic root of 18249896 is about 263.2813712923.

The spelling of 18249896 in words is "eighteen million, two hundred forty-nine thousand, eight hundred ninety-six".