19482217 has 8 divisors (see below), whose sum is σ = 20031624. Its totient is φ = 18939648.

The previous prime is 19482161. The next prime is 19482223. The reversal of 19482217 is 71228491.

It can be written as a sum of positive squares in 4 ways, for example, as 5125696 + 14356521 = 2264^2 + 3789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19482217 - 2¹¹ = 19480169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19482247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4363 + ... + 7615.

It is an arithmetic number, because the mean of its divisors is an integer number (2503953).

Almost surely, 2^19482217 is an apocalyptic number.

It is an amenable number.

19482217 is a deficient number, since it is larger than the sum of its proper divisors (549407).

19482217 is a wasteful number, since it uses less digits than its factorization.

19482217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419.

The product of its digits is 8064, while the sum is 34.

The square root of 19482217 is about 4413.8664456460. The cubic root of 19482217 is about 269.0787854891.

The spelling of 19482217 in words is "nineteen million, four hundred eighty-two thousand, two hundred seventeen".