19714816 has 36 divisors (see below), whose sum is σ = 42936264. Its totient is φ = 8960000.

The previous prime is 19714813. The next prime is 19714819. The reversal of 19714816 is 61841791.

It is an interprime number because it is at equal distance from previous prime (19714813) and next prime (19714819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19714811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685 + ... + 6316.

It is an arithmetic number, because the mean of its divisors is an integer number (1192674).

Almost surely, 2^19714816 is an apocalyptic number.

19714816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19714816 is an abundant number, since it is smaller than the sum of its proper divisors (23221448).

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

19714816 is an equidigital number, since it uses as much as digits as its factorization.

19714816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028 (or 7014 counting only the distinct ones).

The product of its digits is 12096, while the sum is 37.

The square root of 19714816 is about 4440.1369348253. The cubic root of 19714816 is about 270.1453995094.

The spelling of 19714816 in words is "nineteen million, seven hundred fourteen thousand, eight hundred sixteen".