19863482 has 4 divisors (see below), whose sum is σ = 29795226. Its totient is φ = 9931740.

The previous prime is 19863449. The next prime is 19863509. The reversal of 19863482 is 28436891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28436891 = 7 ⋅4062413.

It can be written as a sum of positive squares in only one way, i.e., 15202201 + 4661281 = 3899^2 + 2159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4965869 + ... + 4965872.

Almost surely, 2^19863482 is an apocalyptic number.

19863482 is a deficient number, since it is larger than the sum of its proper divisors (9931744).

19863482 is an equidigital number, since it uses as much as digits as its factorization.

19863482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9931743.

The product of its digits is 82944, while the sum is 41.

The square root of 19863482 is about 4456.8466430875. The cubic root of 19863482 is about 270.8227396146.

The spelling of 19863482 in words is "nineteen million, eight hundred sixty-three thousand, four hundred eighty-two".