18940483 has 8 divisors (see below), whose sum is σ = 19817280. Its totient is φ = 18083520.

The previous prime is 18940469. The next prime is 18940489. The reversal of 18940483 is 38404981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18940483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18940489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2988 + ... + 6841.

It is an arithmetic number, because the mean of its divisors is an integer number (2477160).

Almost surely, 2^18940483 is an apocalyptic number.

18940483 is a deficient number, since it is larger than the sum of its proper divisors (876797).

18940483 is an equidigital number, since it uses as much as digits as its factorization.

18940483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9917.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 18940483 is about 4352.0665206313. The cubic root of 18940483 is about 266.5612501734.

The spelling of 18940483 in words is "eighteen million, nine hundred forty thousand, four hundred eighty-three".