19481946 has 32 divisors (see below), whose sum is σ = 42724800. Its totient is φ = 5873280.

The previous prime is 19481941. The next prime is 19481947. The reversal of 19481946 is 64918491.

It is a junction number, because it is equal to n+sod(n) for n = 19481898 and 19481907.

It is not an unprimeable number, because it can be changed into a prime (19481941) 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 15 ways as a sum of consecutive naturals, for example, 14470 + ... + 15758.

It is an arithmetic number, because the mean of its divisors is an integer number (1335150).

Almost surely, 2^19481946 is an apocalyptic number.

19481946 is an abundant number, since it is smaller than the sum of its proper divisors (23242854).

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

19481946 is a wasteful number, since it uses less digits than its factorization.

19481946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534.

The product of its digits is 62208, while the sum is 42.

The square root of 19481946 is about 4413.8357468306. The cubic root of 19481946 is about 269.0775378438.

The spelling of 19481946 in words is "nineteen million, four hundred eighty-one thousand, nine hundred forty-six".