1078992 has 60 divisors (see below), whose sum is σ = 3095040. Its totient is φ = 350784.

The previous prime is 1078981. The next prime is 1078993. The reversal of 1078992 is 2998701.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8433 + ... + 8559.

It is an arithmetic number, because the mean of its divisors is an integer number (51584).

2^1078992 is an apocalyptic number.

1078992 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 1078992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547520).

1078992 is an abundant number, since it is smaller than the sum of its proper divisors (2016048).

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

1078992 is a wasteful number, since it uses less digits than its factorization.

1078992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 191 counting only the distinct ones).

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

The square root of 1078992 is about 1038.7453971017. The cubic root of 1078992 is about 102.5666273139.

The spelling of 1078992 in words is "one million, seventy-eight thousand, nine hundred ninety-two".