18248841 has 16 divisors (see below), whose sum is σ = 29115520. Its totient is φ = 11229840.

The previous prime is 18248833. The next prime is 18248849. The reversal of 18248841 is 14884281.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18248833) and next prime (18248849).

It is not a de Polignac number, because 18248841 - 2³ = 18248833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18248796 and 18248805.

It is not an unprimeable number, because it can be changed into a prime (18248849) 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 15 ways as a sum of consecutive naturals, for example, 25645 + ... + 26346.

It is an arithmetic number, because the mean of its divisors is an integer number (1819720).

Almost surely, 2^18248841 is an apocalyptic number.

It is an amenable number.

18248841 is a deficient number, since it is larger than the sum of its proper divisors (10866679).

18248841 is a wasteful number, since it uses less digits than its factorization.

18248841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52013 (or 52007 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 18248841 is about 4271.8662198154. The cubic root of 18248841 is about 263.2762978899.

The spelling of 18248841 in words is "eighteen million, two hundred forty-eight thousand, eight hundred forty-one".