19714880 has 28 divisors (see below), whose sum is σ = 46946820. Its totient is φ = 7885824.

The previous prime is 19714879. The next prime is 19714901. The reversal of 19714880 is 8841791.

It can be written as a sum of positive squares in 2 ways, for example, as 4096576 + 15618304 = 2024^2 + 3952^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30485 + ... + 31124.

Almost surely, 2^19714880 is an apocalyptic number.

19714880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19714880 is an abundant number, since it is smaller than the sum of its proper divisors (27231940).

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

19714880 is an equidigital number, since it uses as much as digits as its factorization.

19714880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61626 (or 61616 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 19714880 is about 4440.1441418044. The cubic root of 19714880 is about 270.1456918325.

The spelling of 19714880 in words is "nineteen million, seven hundred fourteen thousand, eight hundred eighty".