18885414 has 16 divisors (see below), whose sum is σ = 37914480. Its totient is φ = 6271200.

The previous prime is 18885407. The next prime is 18885421. The reversal of 18885414 is 41458881.

It is an interprime number because it is at equal distance from previous prime (18885407) and next prime (18885421).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4237 + ... + 7464.

It is an arithmetic number, because the mean of its divisors is an integer number (2369655).

Almost surely, 2^18885414 is an apocalyptic number.

18885414 is an abundant number, since it is smaller than the sum of its proper divisors (19029066).

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

18885414 is a wasteful number, since it uses less digits than its factorization.

18885414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11975.

The product of its digits is 40960, while the sum is 39.

The square root of 18885414 is about 4345.7351506966. The cubic root of 18885414 is about 266.3026592486.

The spelling of 18885414 in words is "eighteen million, eight hundred eighty-five thousand, four hundred fourteen".