18949614 has 16 divisors (see below), whose sum is σ = 38110800. Its totient is φ = 6281280.

The previous prime is 18949591. The next prime is 18949633. The reversal of 18949614 is 41694981.

It is an alternating number because its digits alternate between odd and even.

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, 7639 + ... + 9810.

It is an arithmetic number, because the mean of its divisors is an integer number (2381925).

Almost surely, 2^18949614 is an apocalyptic number.

18949614 is an abundant number, since it is smaller than the sum of its proper divisors (19161186).

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

18949614 is a wasteful number, since it uses less digits than its factorization.

18949614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17635.

The product of its digits is 62208, while the sum is 42.

The square root of 18949614 is about 4353.1154360986. The cubic root of 18949614 is about 266.6040787142.

The spelling of 18949614 in words is "eighteen million, nine hundred forty-nine thousand, six hundred fourteen".