18854061 has 24 divisors (see below), whose sum is σ = 27306720. Its totient is φ = 11535264.

The previous prime is 18854051. The next prime is 18854093. The reversal of 18854061 is 16045881.

It is not a de Polignac number, because 18854061 - 2⁵ = 18854029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18854021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238620 + ... + 238698.

It is an arithmetic number, because the mean of its divisors is an integer number (1137780).

Almost surely, 2^18854061 is an apocalyptic number.

It is an amenable number.

18854061 is a deficient number, since it is larger than the sum of its proper divisors (8452659).

18854061 is an equidigital number, since it uses as much as digits as its factorization.

18854061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 18854061 is about 4342.1263224370. The cubic root of 18854061 is about 266.1552083815.

The spelling of 18854061 in words is "eighteen million, eight hundred fifty-four thousand, sixty-one".