19387214 has 48 divisors (see below), whose sum is σ = 37749888. Its totient is φ = 7254000.

The previous prime is 19387213. The next prime is 19387261. The reversal of 19387214 is 41278391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19387211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147929 + ... + 148059.

It is an arithmetic number, because the mean of its divisors is an integer number (786456).

Almost surely, 2^19387214 is an apocalyptic number.

19387214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19387214 is a deficient number, since it is larger than the sum of its proper divisors (18362674).

19387214 is a wasteful number, since it uses less digits than its factorization.

19387214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 182 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 19387214 is about 4403.0914139954. The cubic root of 19387214 is about 268.6406943992.

The spelling of 19387214 in words is "nineteen million, three hundred eighty-seven thousand, two hundred fourteen".