18884056 has 16 divisors (see below), whose sum is σ = 35477640. Its totient is φ = 9423360.

The previous prime is 18884051. The next prime is 18884101. The reversal of 18884056 is 65048881.

It is a super-2 number, since 2×18884056² = 713215142022272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18884051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2571 + ... + 6661.

Almost surely, 2^18884056 is an apocalyptic number.

It is an amenable number.

18884056 is a deficient number, since it is larger than the sum of its proper divisors (16593584).

18884056 is a wasteful number, since it uses less digits than its factorization.

18884056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4674 (or 4670 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 18884056 is about 4345.5789027470. The cubic root of 18884056 is about 266.2962760565.

The spelling of 18884056 in words is "eighteen million, eight hundred eighty-four thousand, fifty-six".