19214842 has 8 divisors (see below), whose sum is σ = 28890432. Its totient is φ = 9584700.

The previous prime is 19214813. The next prime is 19214903. The reversal of 19214842 is 24841291.

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

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, 10284 + ... + 12007.

It is an arithmetic number, because the mean of its divisors is an integer number (3611304).

Almost surely, 2^19214842 is an apocalyptic number.

19214842 is a deficient number, since it is larger than the sum of its proper divisors (9675590).

19214842 is a wasteful number, since it uses less digits than its factorization.

19214842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22724.

The product of its digits is 4608, while the sum is 31.

The square root of 19214842 is about 4383.4737366614. The cubic root of 19214842 is about 267.8421603438.

The spelling of 19214842 in words is "nineteen million, two hundred fourteen thousand, eight hundred forty-two".