1904448 has 112 divisors (see below), whose sum is σ = 6258560. Its totient is φ = 497664.

The previous prime is 1904447. The next prime is 1904467. The reversal of 1904448 is 8444091.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904447) 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, 17418 + ... + 17526.

It is an arithmetic number, because the mean of its divisors is an integer number (55880).

2^1904448 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 1904448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3129280).

1904448 is an abundant number, since it is smaller than the sum of its proper divisors (4354112).

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

1904448 is a wasteful number, since it uses less digits than its factorization.

1904448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 134 counting only the distinct ones).

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

The square root of 1904448 is about 1380.0173911948. The cubic root of 1904448 is about 123.9528089591.

The spelling of 1904448 in words is "one million, nine hundred four thousand, four hundred forty-eight".