18249696 has 36 divisors (see below), whose sum is σ = 51898392. Its totient is φ = 6083136.

The previous prime is 18249691. The next prime is 18249701. The reversal of 18249696 is 69694281.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18249691) and next prime (18249701).

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

18249696 is a modest number, since divided by 9696 gives 1824 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18249691) 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 5 ways as a sum of consecutive naturals, for example, 31396 + ... + 31971.

It is an arithmetic number, because the mean of its divisors is an integer number (1441622).

Almost surely, 2^18249696 is an apocalyptic number.

18249696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18249696 is an abundant number, since it is smaller than the sum of its proper divisors (33648696).

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

18249696 is a wasteful number, since it uses less digits than its factorization.

18249696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63383 (or 63372 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 18249696 is about 4271.9662920018. The cubic root of 18249696 is about 263.2804095249.

The spelling of 18249696 in words is "eighteen million, two hundred forty-nine thousand, six hundred ninety-six".