19427214 has 8 divisors (see below), whose sum is σ = 38854440. Its totient is φ = 6475736.

The previous prime is 19427201. The next prime is 19427231. The reversal of 19427214 is 41272491.

It is a sphenic number, since it is the product of 3 distinct primes.

19427214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1618929 + ... + 1618940.

It is an arithmetic number, because the mean of its divisors is an integer number (4856805).

Almost surely, 2^19427214 is an apocalyptic number.

19427214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19427214 is a wasteful number, since it uses less digits than its factorization.

19427214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237874.

The product of its digits is 4032, while the sum is 30.

The square root of 19427214 is about 4407.6313366705. The cubic root of 19427214 is about 268.8253220281.

The spelling of 19427214 in words is "nineteen million, four hundred twenty-seven thousand, two hundred fourteen".