1944992 has 48 divisors (see below), whose sum is σ = 4616640. Its totient is φ = 787968.

The previous prime is 1944991. The next prime is 1944997. The reversal of 1944992 is 2994491.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1944991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4028 + ... + 4484.

It is an arithmetic number, because the mean of its divisors is an integer number (96180).

2^1944992 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 1944992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2308320).

1944992 is an abundant number, since it is smaller than the sum of its proper divisors (2671648).

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

1944992 is a wasteful number, since it uses less digits than its factorization.

1944992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 485 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 1944992 is about 1394.6296999562. The cubic root of 1944992 is about 124.8262546122.

The spelling of 1944992 in words is "one million, nine hundred forty-four thousand, nine hundred ninety-two".