18941424 has 40 divisors (see below), whose sum is σ = 49236432. Its totient is φ = 6274560.

The previous prime is 18941413. The next prime is 18941449. The reversal of 18941424 is 42414981.

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, 7164 + ... + 9444.

Almost surely, 2^18941424 is an apocalyptic number.

It is an amenable number.

18941424 is an abundant number, since it is smaller than the sum of its proper divisors (30295008).

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

18941424 is a wasteful number, since it uses less digits than its factorization.

18941424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465 (or 2459 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 18941424 is about 4352.1746288494. The cubic root of 18941424 is about 266.5656645272.

The spelling of 18941424 in words is "eighteen million, nine hundred forty-one thousand, four hundred twenty-four".