19480938 has 16 divisors (see below), whose sum is σ = 39051936. Its totient is φ = 6478640.

The previous prime is 19480921. The next prime is 19480939. The reversal of 19480938 is 83908491.

It is a self number, because there is not a number n which added to its sum of digits gives 19480938.

It is not an unprimeable number, because it can be changed into a prime (19480939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756 + ... + 6287.

It is an arithmetic number, because the mean of its divisors is an integer number (2440746).

Almost surely, 2^19480938 is an apocalyptic number.

19480938 is an abundant number, since it is smaller than the sum of its proper divisors (19570998).

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

19480938 is a wasteful number, since it uses less digits than its factorization.

19480938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7509.

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

The square root of 19480938 is about 4413.7215589568. The cubic root of 19480938 is about 269.0728970543.

The spelling of 19480938 in words is "nineteen million, four hundred eighty thousand, nine hundred thirty-eight".