1992448 has 36 divisors (see below), whose sum is σ = 4092088. Its totient is φ = 967680.

The previous prime is 1992439. The next prime is 1992469. The reversal of 1992448 is 8442991.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10918 + ... + 11098.

2^1992448 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 1992448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2046044).

1992448 is an abundant number, since it is smaller than the sum of its proper divisors (2099640).

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

1992448 is an equidigital number, since it uses as much as digits as its factorization.

1992448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 226 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 1992448 is about 1411.5410018841. The cubic root of 1992448 is about 125.8333229049.

The spelling of 1992448 in words is "one million, nine hundred ninety-two thousand, four hundred forty-eight".