1992792 has 32 divisors (see below), whose sum is σ = 5100480. Its totient is φ = 648480.

The previous prime is 1992779. The next prime is 1992797. The reversal of 1992792 is 2972991.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1992792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (159390).

2^1992792 is an apocalyptic number.

1992792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1992792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550240).

1992792 is an abundant number, since it is smaller than the sum of its proper divisors (3107688).

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

1992792 is a wasteful number, since it uses less digits than its factorization.

1992792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1979 counting only the distinct ones).

The product of its digits is 20412, while the sum is 39.

The square root of 1992792 is about 1411.6628492668. The cubic root of 1992792 is about 125.8405642771.

The spelling of 1992792 in words is "one million, nine hundred ninety-two thousand, seven hundred ninety-two".