18794744 has 8 divisors (see below), whose sum is σ = 35240160. Its totient is φ = 9397368.

The previous prime is 18794723. The next prime is 18794747. The reversal of 18794744 is 44749781.

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

It is a junction number, because it is equal to n+sod(n) for n = 18794695 and 18794704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18794747) 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 as a sum of consecutive naturals, namely, 1174664 + ... + 1174679.

It is an arithmetic number, because the mean of its divisors is an integer number (4405020).

Almost surely, 2^18794744 is an apocalyptic number.

It is an amenable number.

18794744 is a deficient number, since it is larger than the sum of its proper divisors (16445416).

18794744 is a wasteful number, since it uses less digits than its factorization.

18794744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349349 (or 2349345 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The square root of 18794744 is about 4335.2905323634. The cubic root of 18794744 is about 265.8757970663.

The spelling of 18794744 in words is "eighteen million, seven hundred ninety-four thousand, seven hundred forty-four".