939469 has 2 divisors, whose sum is σ = 939470. Its totient is φ = 939468.

The previous prime is 939451. The next prime is 939487. The reversal of 939469 is 964939.

It is a balanced prime because it is at equal distance from previous prime (939451) and next prime (939487).

It can be written as a sum of positive squares in only one way, i.e., 927369 + 12100 = 963^2 + 110^2 .

It is an emirp because it is prime and its reverse (964939) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 939469 - 2¹¹ = 937421 is a prime.

It is a super-2 number, since 2×939469² = 1765204003922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469734 + 469735.

It is an arithmetic number, because the mean of its divisors is an integer number (469735).

2⁹³⁹⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

939469 is a deficient number, since it is larger than the sum of its proper divisors (1).

939469 is an equidigital number, since it uses as much as digits as its factorization.

939469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 40.

The square root of 939469 is about 969.2620904585. The cubic root of 939469 is about 97.9401619992.

It can be divided in two parts, 939 and 469, that multiplied together give a triangular number (440391 = T₉₃₈).

The spelling of 939469 in words is "nine hundred thirty-nine thousand, four hundred sixty-nine".