19480855 has 4 divisors (see below), whose sum is σ = 23377032. Its totient is φ = 15584680.

The previous prime is 19480843. The next prime is 19480859. The reversal of 19480855 is 55808491.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 19480855 - 2⁵ = 19480823 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19480859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948081 + ... + 1948090.

It is an arithmetic number, because the mean of its divisors is an integer number (5844258).

Almost surely, 2^19480855 is an apocalyptic number.

19480855 is a deficient number, since it is larger than the sum of its proper divisors (3896177).

19480855 is an equidigital number, since it uses as much as digits as its factorization.

19480855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896176.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 19480855 is about 4413.7121564506. The cubic root of 19480855 is about 269.0725149186.

The spelling of 19480855 in words is "nineteen million, four hundred eighty thousand, eight hundred fifty-five".