978792 has 32 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 306944.

The previous prime is 978773. The next prime is 978797. The reversal of 978792 is 297879.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 978792.

It is not an unprimeable number, because it can be changed into a prime (978797) by changing a digit.

978792 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2⁹⁷⁸⁷⁹² is an apocalyptic number.

It is an amenable number.

978792 is an abundant number, since it is smaller than the sum of its proper divisors (1613208).

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

978792 is a wasteful number, since it uses less digits than its factorization.

978792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2421 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 978792 is about 989.3391733880. The cubic root of 978792 is about 99.2880093914.

It can be divided in two parts, 978 and 792, that added together give a triangular number (1770 = T₅₉).

The spelling of 978792 in words is "nine hundred seventy-eight thousand, seven hundred ninety-two".