19494048 has 48 divisors (see below), whose sum is σ = 58484160. Its totient is φ = 5569536.

The previous prime is 19494047. The next prime is 19494067. The reversal of 19494048 is 84049491.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 19493997 and 19494015.

It is not an unprimeable number, because it can be changed into a prime (19494043) 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, 13833 + ... + 15176.

It is an arithmetic number, because the mean of its divisors is an integer number (1218420).

Almost surely, 2^19494048 is an apocalyptic number.

It is an amenable number.

19494048 is an abundant number, since it is smaller than the sum of its proper divisors (38990112).

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

19494048 is a wasteful number, since it uses less digits than its factorization.

19494048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29029 (or 29021 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 19494048 is about 4415.2064504392. The cubic root of 19494048 is about 269.1332424488.

The spelling of 19494048 in words is "nineteen million, four hundred ninety-four thousand, forty-eight".