18076356 has 18 divisors (see below), whose sum is σ = 45693102. Its totient is φ = 6025440.

The previous prime is 18076351. The next prime is 18076381. The reversal of 18076356 is 65367081.

18076356 is a `hidden beast` number, since 18 + 0 + 7 + 635 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10458756 + 7617600 = 3234^2 + 2760^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 502121 = 18076356 / (1 + 8 + 0 + 7 + 6 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 18076356.

It is not an unprimeable number, because it can be changed into a prime (18076351) 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, 251025 + ... + 251096.

Almost surely, 2^18076356 is an apocalyptic number.

It is an amenable number.

18076356 is an abundant number, since it is smaller than the sum of its proper divisors (27616746).

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

18076356 is a wasteful number, since it uses less digits than its factorization.

18076356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502131 (or 502126 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 18076356 is about 4251.6298051453. The cubic root of 18076356 is about 262.4441894954. Note that the first 3 decimals are identical.

The spelling of 18076356 in words is "eighteen million, seventy-six thousand, three hundred fifty-six".