18916614 has 24 divisors (see below), whose sum is σ = 43397640. Its totient is φ = 5934528.

The previous prime is 18916589. The next prime is 18916619. The reversal of 18916614 is 41661981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18916619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30604 + ... + 31215.

It is an arithmetic number, because the mean of its divisors is an integer number (1808235).

Almost surely, 2^18916614 is an apocalyptic number.

18916614 is an abundant number, since it is smaller than the sum of its proper divisors (24481026).

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

18916614 is a wasteful number, since it uses less digits than its factorization.

18916614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61844 (or 61841 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 18916614 is about 4349.3233956559. The cubic root of 18916614 is about 266.4492286536.

The spelling of 18916614 in words is "eighteen million, nine hundred sixteen thousand, six hundred fourteen".