18852349 has 4 divisors (see below), whose sum is σ = 19502460. Its totient is φ = 18202240.

The previous prime is 18852347. The next prime is 18852367. The reversal of 18852349 is 94325881.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 6200100 = 3557^2 + 2490^2 .

It is a cyclic number.

It is not a de Polignac number, because 18852349 - 2¹ = 18852347 is a prime.

It is a super-2 number, since 2×18852349² = 710822125635602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18852347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325012 + ... + 325069.

It is an arithmetic number, because the mean of its divisors is an integer number (4875615).

Almost surely, 2^18852349 is an apocalyptic number.

It is an amenable number.

18852349 is a deficient number, since it is larger than the sum of its proper divisors (650111).

18852349 is an equidigital number, since it uses as much as digits as its factorization.

18852349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650110.

The product of its digits is 69120, while the sum is 40.

The square root of 18852349 is about 4341.9291795238. The cubic root of 18852349 is about 266.1471522655.

The spelling of 18852349 in words is "eighteen million, eight hundred fifty-two thousand, three hundred forty-nine".