794978 has 4 divisors (see below), whose sum is σ = 1192470. Its totient is φ = 397488.

The previous prime is 794957. The next prime is 794993. The reversal of 794978 is 879497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 879497 = 23 ⋅38239.

It can be written as a sum of positive squares in only one way, i.e., 677329 + 117649 = 823^2 + 343^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198743 + ... + 198746.

2⁷⁹⁴⁹⁷⁸ is an apocalyptic number.

794978 is a deficient number, since it is larger than the sum of its proper divisors (397492).

794978 is a wasteful number, since it uses less digits than its factorization.

794978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397491.

The product of its digits is 127008, while the sum is 44.

The square root of 794978 is about 891.6153879336. The cubic root of 794978 is about 92.6371182869.

The spelling of 794978 in words is "seven hundred ninety-four thousand, nine hundred seventy-eight".