1916448 has 24 divisors (see below), whose sum is σ = 5030928. Its totient is φ = 638784.

The previous prime is 1916443. The next prime is 1916471. The reversal of 1916448 is 8446191.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1916443) 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, 9886 + ... + 10077.

It is an arithmetic number, because the mean of its divisors is an integer number (209622).

2^1916448 is an apocalyptic number.

It is an amenable number.

1916448 is an abundant number, since it is smaller than the sum of its proper divisors (3114480).

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

1916448 is a wasteful number, since it uses less digits than its factorization.

1916448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19976 (or 19968 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 1916448 is about 1384.3583351141. The cubic root of 1916448 is about 124.2126078566.

The spelling of 1916448 in words is "one million, nine hundred sixteen thousand, four hundred forty-eight".