18675996 has 48 divisors (see below), whose sum is σ = 46738944. Its totient is φ = 5783296.

The previous prime is 18675991. The next prime is 18676001. The reversal of 18675996 is 69957681.

It is an interprime number because it is at equal distance from previous prime (18675991) and next prime (18676001).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18675991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16381 + ... + 17483.

It is an arithmetic number, because the mean of its divisors is an integer number (973728).

Almost surely, 2^18675996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18675996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23369472).

18675996 is an abundant number, since it is smaller than the sum of its proper divisors (28062948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18675996 is a wasteful number, since it uses less digits than its factorization.

18675996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its digits is 816480, while the sum is 51.

The square root of 18675996 is about 4321.5733246122. The cubic root of 18675996 is about 265.3146659650.

The spelling of 18675996 in words is "eighteen million, six hundred seventy-five thousand, nine hundred ninety-six".