18641348 has 12 divisors (see below), whose sum is σ = 35588112. Its totient is φ = 8473320.

The previous prime is 18641327. The next prime is 18641351. The reversal of 18641348 is 84314681.

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, 211790 + ... + 211877.

It is an arithmetic number, because the mean of its divisors is an integer number (2965676).

Almost surely, 2^18641348 is an apocalyptic number.

It is an amenable number.

18641348 is a deficient number, since it is larger than the sum of its proper divisors (16946764).

18641348 is a wasteful number, since it uses less digits than its factorization.

18641348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423682 (or 423680 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 18641348 is about 4317.5627383977. The cubic root of 18641348 is about 265.1504924241.

The spelling of 18641348 in words is "eighteen million, six hundred forty-one thousand, three hundred forty-eight".