18052784 has 10 divisors (see below), whose sum is σ = 34977300. Its totient is φ = 9026384.

The previous prime is 18052729. The next prime is 18052813. The reversal of 18052784 is 48725081.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564134 + ... + 564165.

It is an arithmetic number, because the mean of its divisors is an integer number (3497730).

Almost surely, 2^18052784 is an apocalyptic number.

It is an amenable number.

18052784 is a deficient number, since it is larger than the sum of its proper divisors (16924516).

18052784 is a wasteful number, since it uses less digits than its factorization.

18052784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128307 (or 1128301 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 18052784 is about 4248.8567874194. The cubic root of 18052784 is about 262.3300620421.

The spelling of 18052784 in words is "eighteen million, fifty-two thousand, seven hundred eighty-four".