794644992 has 140 divisors (see below), whose sum is σ = 2381636070. Its totient is φ = 264757248.

The previous prime is 794644973. The next prime is 794644997. The reversal of 794644992 is 299446497.

794644992 is a `hidden beast` number, since 7 + 94 + 64 + 499 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 740710656 + 53934336 = 27216^2 + 7344^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (794644997) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 372184 + ... + 374312.

Almost surely, 2^794644992 is an apocalyptic number.

794644992 is a gapful number since it is divisible by the number (72) 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 794644992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190818035).

794644992 is an abundant number, since it is smaller than the sum of its proper divisors (1586991078).

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

794644992 is an frugal number, since it uses more digits than its factorization.

794644992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2134 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 794644992 is about 28189.4482386584. The cubic root of 794644992 is about 926.2418157254.

The spelling of 794644992 in words is "seven hundred ninety-four million, six hundred forty-four thousand, nine hundred ninety-two".