18482811 has 4 divisors (see below), whose sum is σ = 24643752. Its totient is φ = 12321872.

The previous prime is 18482809. The next prime is 18482813. The reversal of 18482811 is 11828481.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (18482809) and next prime (18482813).

It is a cyclic number.

It is not a de Polignac number, because 18482811 - 2¹ = 18482809 is a prime.

It is a super-2 number, since 2×18482811² = 683228604923442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18482813) 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, 3080466 + ... + 3080471.

It is an arithmetic number, because the mean of its divisors is an integer number (6160938).

Almost surely, 2^18482811 is an apocalyptic number.

18482811 is a deficient number, since it is larger than the sum of its proper divisors (6160941).

18482811 is an equidigital number, since it uses as much as digits as its factorization.

18482811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160940.

The product of its digits is 4096, while the sum is 33.

The square root of 18482811 is about 4299.1639884982. The cubic root of 18482811 is about 264.3966861252.

The spelling of 18482811 in words is "eighteen million, four hundred eighty-two thousand, eight hundred eleven".