18685096 has 8 divisors (see below), whose sum is σ = 35034570. Its totient is φ = 9342544.

The previous prime is 18685087. The next prime is 18685099. The reversal of 18685096 is 69058681.

It can be written as a sum of positive squares in only one way, i.e., 16080100 + 2604996 = 4010^2 + 1614^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (18685099) 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 as a sum of consecutive naturals, namely, 1167811 + ... + 1167826.

Almost surely, 2^18685096 is an apocalyptic number.

It is an amenable number.

18685096 is a deficient number, since it is larger than the sum of its proper divisors (16349474).

18685096 is a wasteful number, since it uses less digits than its factorization.

18685096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335643 (or 2335639 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 18685096 is about 4322.6260536854. The cubic root of 18685096 is about 265.3577510644.

The spelling of 18685096 in words is "eighteen million, six hundred eighty-five thousand, ninety-six".