939229 has 2 divisors, whose sum is σ = 939230. Its totient is φ = 939228.

The previous prime is 939203. The next prime is 939247. The reversal of 939229 is 922939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 182329 = 870^2 + 427^2 .

It is a cyclic number.

It is not a de Polignac number, because 939229 - 2¹⁵ = 906461 is a prime.

It is a super-2 number, since 2×939229² = 1764302228882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 939194 and 939203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469614 + 469615.

It is an arithmetic number, because the mean of its divisors is an integer number (469615).

2⁹³⁹²²⁹ is an apocalyptic number.

It is an amenable number.

939229 is a deficient number, since it is larger than the sum of its proper divisors (1).

939229 is an equidigital number, since it uses as much as digits as its factorization.

939229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 34.

The square root of 939229 is about 969.1382770276. The cubic root of 939229 is about 97.9318212448.

Subtracting from 939229 its reverse (922939), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 939229 in words is "nine hundred thirty-nine thousand, two hundred twenty-nine".