18679996 has 12 divisors (see below), whose sum is σ = 32727240. Its totient is φ = 9329360.

The previous prime is 18679993. The next prime is 18680003. The reversal of 18679996 is 69997681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18679993) 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 3 ways as a sum of consecutive naturals, for example, 2331 + ... + 6541.

It is an arithmetic number, because the mean of its divisors is an integer number (2727270).

Almost surely, 2^18679996 is an apocalyptic number.

It is an amenable number.

18679996 is a deficient number, since it is larger than the sum of its proper divisors (14047244).

18679996 is a wasteful number, since it uses less digits than its factorization.

18679996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324 (or 5322 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 55.

The square root of 18679996 is about 4322.0360942500. The cubic root of 18679996 is about 265.3336061937. Note that the first 3 decimals are identical.

The spelling of 18679996 in words is "eighteen million, six hundred seventy-nine thousand, nine hundred ninety-six".