1940448 has 96 divisors (see below), whose sum is σ = 5715360. Its totient is φ = 573440.

The previous prime is 1940447. The next prime is 1940453. The reversal of 1940448 is 8440491.

It is a Cunningham number, because it is equal to 1393²-1.

It is a tau number, because it is divible by the number of its divisors (96).

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47308 + ... + 47348.

It is an arithmetic number, because the mean of its divisors is an integer number (59535).

2^1940448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1940448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2857680).

1940448 is an abundant number, since it is smaller than the sum of its proper divisors (3774912).

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

1940448 is a wasteful number, since it uses less digits than its factorization.

1940448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1940448 is about 1392.9996410624. Note that the first 3 decimals coincide. The cubic root of 1940448 is about 124.7289701004.

The spelling of 1940448 in words is "one million, nine hundred forty thousand, four hundred forty-eight".