18693414 has 12 divisors (see below), whose sum is σ = 40502436. Its totient is φ = 6231132.

The previous prime is 18693413. The next prime is 18693427. The reversal of 18693414 is 41439681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18693413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 519244 + ... + 519279.

It is an arithmetic number, because the mean of its divisors is an integer number (3375203).

Almost surely, 2^18693414 is an apocalyptic number.

18693414 is an abundant number, since it is smaller than the sum of its proper divisors (21809022).

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

18693414 is a wasteful number, since it uses less digits than its factorization.

18693414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038531 (or 1038528 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 18693414 is about 4323.5880932392. The cubic root of 18693414 is about 265.3971214503.

The spelling of 18693414 in words is "eighteen million, six hundred ninety-three thousand, four hundred fourteen".