993797 has 4 divisors (see below), whose sum is σ = 1135776. Its totient is φ = 851820.

The previous prime is 993793. The next prime is 993821. The reversal of 993797 is 797399.

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 993797 - 2² = 993793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 993797.

It is not an unprimeable number, because it can be changed into a prime (993793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70979 + ... + 70992.

It is an arithmetic number, because the mean of its divisors is an integer number (283944).

2⁹⁹³⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

993797 is a deficient number, since it is larger than the sum of its proper divisors (141979).

993797 is a wasteful number, since it uses less digits than its factorization.

993797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141978.

The product of its digits is 107163, while the sum is 44.

The square root of 993797 is about 996.8936753737. The cubic root of 993797 is about 99.7928043294.

The spelling of 993797 in words is "nine hundred ninety-three thousand, seven hundred ninety-seven".