794402689 has 4 divisors (see below), whose sum is σ = 794538756. Its totient is φ = 794266624.

The previous prime is 794402659. The next prime is 794402699. The reversal of 794402689 is 986204497.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 441714289 + 352688400 = 21017^2 + 18780^2 .

It is a cyclic number.

It is not a de Polignac number, because 794402689 - 2⁹ = 794402177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (794402629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58864 + ... + 71089.

It is an arithmetic number, because the mean of its divisors is an integer number (198634689).

Almost surely, 2^794402689 is an apocalyptic number.

It is an amenable number.

794402689 is a deficient number, since it is larger than the sum of its proper divisors (136067).

794402689 is a wasteful number, since it uses less digits than its factorization.

794402689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136066.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 794402689 is about 28185.1501503895. The cubic root of 794402689 is about 926.1476629955.

The spelling of 794402689 in words is "seven hundred ninety-four million, four hundred two thousand, six hundred eighty-nine".