939973 has 2 divisors, whose sum is σ = 939974. Its totient is φ = 939972.

The previous prime is 939971. The next prime is 939989. The reversal of 939973 is 379939.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 667489 + 272484 = 817^2 + 522^2 .

It is a cyclic number.

It is not a de Polignac number, because 939973 - 2¹ = 939971 is a prime.

Together with 939971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469986 + 469987.

It is an arithmetic number, because the mean of its divisors is an integer number (469987).

2⁹³⁹⁹⁷³ is an apocalyptic number.

It is an amenable number.

939973 is a deficient number, since it is larger than the sum of its proper divisors (1).

939973 is an equidigital number, since it uses as much as digits as its factorization.

939973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45927, while the sum is 40.

The square root of 939973 is about 969.5220471965. The cubic root of 939973 is about 97.9576729610.

The spelling of 939973 in words is "nine hundred thirty-nine thousand, nine hundred seventy-three".