1945448 has 16 divisors (see below), whose sum is σ = 3840000. Its totient is φ = 921456.

The previous prime is 1945439. The next prime is 1945453. The reversal of 1945448 is 8445491.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6248 + ... + 6551.

It is an arithmetic number, because the mean of its divisors is an integer number (240000).

2^1945448 is an apocalyptic number.

It is an amenable number.

1945448 is a deficient number, since it is larger than the sum of its proper divisors (1894552).

1945448 is a wasteful number, since it uses less digits than its factorization.

1945448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824 (or 12820 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 1945448 is about 1394.7931746320. The cubic root of 1945448 is about 124.8360089496.

The spelling of 1945448 in words is "one million, nine hundred forty-five thousand, four hundred forty-eight".