18982411 has 8 divisors (see below), whose sum is σ = 21804800. Its totient is φ = 16187688.

The previous prime is 18982391. The next prime is 18982417. The reversal of 18982411 is 11428981.

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

It is a cyclic number.

It is not a de Polignac number, because 18982411 - 2⁷ = 18982283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18982417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5421 + ... + 8206.

It is an arithmetic number, because the mean of its divisors is an integer number (2725600).

Almost surely, 2^18982411 is an apocalyptic number.

18982411 is a deficient number, since it is larger than the sum of its proper divisors (2822389).

18982411 is a wasteful number, since it uses less digits than its factorization.

18982411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13833.

The product of its digits is 4608, while the sum is 34.

The square root of 18982411 is about 4356.8808797120. The cubic root of 18982411 is about 266.7577981931.

The spelling of 18982411 in words is "eighteen million, nine hundred eighty-two thousand, four hundred eleven".