18641082 has 8 divisors (see below), whose sum is σ = 37282176. Its totient is φ = 6213692.

The previous prime is 18641069. The next prime is 18641087. The reversal of 18641082 is 28014681.

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

18641082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18641087) 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, 1553418 + ... + 1553429.

It is an arithmetic number, because the mean of its divisors is an integer number (4660272).

Almost surely, 2^18641082 is an apocalyptic number.

18641082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18641082 is a wasteful number, since it uses less digits than its factorization.

18641082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106852.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 18641082 is about 4317.5319338715. The cubic root of 18641082 is about 265.1492312427.

The spelling of 18641082 in words is "eighteen million, six hundred forty-one thousand, eighty-two".