939797 has 4 divisors (see below), whose sum is σ = 989280. Its totient is φ = 890316.

The previous prime is 939793. The next prime is 939823. The reversal of 939797 is 797939.

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, and also an emirpimes, since its reverse is a distinct semiprime: 797939 = 23 ⋅34693.

It is a cyclic number.

It is not a de Polignac number, because 939797 - 2² = 939793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24713 + ... + 24750.

It is an arithmetic number, because the mean of its divisors is an integer number (247320).

2⁹³⁹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

939797 is a deficient number, since it is larger than the sum of its proper divisors (49483).

939797 is a wasteful number, since it uses less digits than its factorization.

939797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49482.

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

The square root of 939797 is about 969.4312765741. The cubic root of 939797 is about 97.9515587334.

The spelling of 939797 in words is "nine hundred thirty-nine thousand, seven hundred ninety-seven".