939623 has 2 divisors, whose sum is σ = 939624. Its totient is φ = 939622.

The previous prime is 939613. The next prime is 939649. The reversal of 939623 is 326939.

It is a weak prime.

It is an emirp because it is prime and its reverse (326939) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 939623 - 2¹⁴ = 923239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 939623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469811 + 469812.

It is an arithmetic number, because the mean of its divisors is an integer number (469812).

2⁹³⁹⁶²³ is an apocalyptic number.

939623 is a deficient number, since it is larger than the sum of its proper divisors (1).

939623 is an equidigital number, since it uses as much as digits as its factorization.

939623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 32.

The square root of 939623 is about 969.3415290804. The cubic root of 939623 is about 97.9455132352.

The spelling of 939623 in words is "nine hundred thirty-nine thousand, six hundred twenty-three".