1980792 has 96 divisors (see below), whose sum is σ = 6093360. Its totient is φ = 576000.

The previous prime is 1980791. The next prime is 1980809. The reversal of 1980792 is 2970891.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (1980791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32442 + ... + 32502.

2^1980792 is an apocalyptic number.

1980792 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 1980792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3046680).

1980792 is an abundant number, since it is smaller than the sum of its proper divisors (4112568).

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

1980792 is a wasteful number, since it uses less digits than its factorization.

1980792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1980792 is about 1407.4061247558. The cubic root of 1980792 is about 125.5874640957.

Subtracting 1980792 from its reverse (2970891), we obtain a palindrome (990099).

It can be divided in two parts, 1980 and 792, that added together give a palindrome (2772).

The spelling of 1980792 in words is "one million, nine hundred eighty thousand, seven hundred ninety-two".