19853714 has 4 divisors (see below), whose sum is σ = 29780574. Its totient is φ = 9926856.

The previous prime is 19853707. The next prime is 19853723. The reversal of 19853714 is 41735891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17497489 + 2356225 = 4183^2 + 1535^2 .

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 as a sum of consecutive naturals, namely, 4963427 + ... + 4963430.

Almost surely, 2^19853714 is an apocalyptic number.

19853714 is a deficient number, since it is larger than the sum of its proper divisors (9926860).

19853714 is an equidigital number, since it uses as much as digits as its factorization.

19853714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926859.

The product of its digits is 30240, while the sum is 38.

The square root of 19853714 is about 4455.7506662739. The cubic root of 19853714 is about 270.7783393718.

The spelling of 19853714 in words is "nineteen million, eight hundred fifty-three thousand, seven hundred fourteen".