10781992 has 32 divisors (see below), whose sum is σ = 22286880. Its totient is φ = 4858560.

The previous prime is 10781983. The next prime is 10781993. The reversal of 10781992 is 29918701.

It is not an unprimeable number, because it can be changed into a prime (10781993) 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, 3267 + ... + 5677.

It is an arithmetic number, because the mean of its divisors is an integer number (696465).

Almost surely, 2^10781992 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 10781992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11143440).

10781992 is an abundant number, since it is smaller than the sum of its proper divisors (11504888).

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

10781992 is a wasteful number, since it uses less digits than its factorization.

10781992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 10781992 is about 3283.5943720259. The cubic root of 10781992 is about 220.9189659434.

The spelling of 10781992 in words is "ten million, seven hundred eighty-one thousand, nine hundred ninety-two".