18529794 has 12 divisors (see below), whose sum is σ = 40147926. Its totient is φ = 6176592.

The previous prime is 18529757. The next prime is 18529799. The reversal of 18529794 is 49792581.

It can be written as a sum of positive squares in only one way, i.e., 13068225 + 5461569 = 3615^2 + 2337^2 .

It is a super-5 number, since 5×18529794⁵ (a number of 38 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (18529799) 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 5 ways as a sum of consecutive naturals, for example, 514699 + ... + 514734.

Almost surely, 2^18529794 is an apocalyptic number.

18529794 is an abundant number, since it is smaller than the sum of its proper divisors (21618132).

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

18529794 is a wasteful number, since it uses less digits than its factorization.

18529794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029441 (or 1029438 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 18529794 is about 4304.6247223190. The cubic root of 18529794 is about 264.6205272338.

The spelling of 18529794 in words is "eighteen million, five hundred twenty-nine thousand, seven hundred ninety-four".