19927296 has 135 divisors (see below), whose sum is σ = 61398183. Its totient is φ = 6428160.

The previous prime is 19927289. The next prime is 19927301. The reversal of 19927296 is 69272991.

The square root of 19927296 is 4464.

It is a perfect power (a square), and thus also a powerful number.

Its product of digits (122472) is a multiple of the sum of its prime divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 642801 + ... + 642831.

Almost surely, 2^19927296 is an apocalyptic number.

19927296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

19927296 is the 4464-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19927296

19927296 is an abundant number, since it is smaller than the sum of its proper divisors (41470887).

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

19927296 is an frugal number, since it uses more digits than its factorization.

19927296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 36 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The cubic root of 19927296 is about 271.1124472647.

It can be divided in two parts, 199 and 27296, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 19927296 in words is "nineteen million, nine hundred twenty-seven thousand, two hundred ninety-six".