793205981 has 4 divisors (see below), whose sum is σ = 810082752. Its totient is φ = 776329212.

The previous prime is 793205947. The next prime is 793205989. The reversal of 793205981 is 189502397.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 793205981 - 2¹⁴ = 793189597 is a prime.

It is a super-2 number, since 2×793205981² = 1258351456588344722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (793205989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8438315 + ... + 8438408.

It is an arithmetic number, because the mean of its divisors is an integer number (202520688).

Almost surely, 2^793205981 is an apocalyptic number.

It is an amenable number.

793205981 is a deficient number, since it is larger than the sum of its proper divisors (16876771).

793205981 is a wasteful number, since it uses less digits than its factorization.

793205981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16876770.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 793205981 is about 28163.9127430831. The cubic root of 793205981 is about 925.6823719717.

The spelling of 793205981 in words is "seven hundred ninety-three million, two hundred five thousand, nine hundred eighty-one".