18076308 has 12 divisors (see below), whose sum is σ = 42178080. Its totient is φ = 6025432.

The previous prime is 18076307. The next prime is 18076319. The reversal of 18076308 is 80367081.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18076301) 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 3 ways as a sum of consecutive naturals, for example, 753168 + ... + 753191.

It is an arithmetic number, because the mean of its divisors is an integer number (3514840).

Almost surely, 2^18076308 is an apocalyptic number.

It is an amenable number.

18076308 is an abundant number, since it is smaller than the sum of its proper divisors (24101772).

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

18076308 is a wasteful number, since it uses less digits than its factorization.

18076308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506366 (or 1506364 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 18076308 is about 4251.6241602475. The cubic root of 18076308 is about 262.4439571969.

The spelling of 18076308 in words is "eighteen million, seventy-six thousand, three hundred eight".