939487 has 2 divisors, whose sum is σ = 939488. Its totient is φ = 939486.

The previous prime is 939469. The next prime is 939511. The reversal of 939487 is 784939.

It is a weak prime.

It is an emirp because it is prime and its reverse (784939) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 939487 - 2⁷ = 939359 is a prime.

It is a Chen prime.

939487 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469743 + 469744.

It is an arithmetic number, because the mean of its divisors is an integer number (469744).

2⁹³⁹⁴⁸⁷ is an apocalyptic number.

939487 is a deficient number, since it is larger than the sum of its proper divisors (1).

939487 is an equidigital number, since it uses as much as digits as its factorization.

939487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 939487 is about 969.2713758283. The cubic root of 939487 is about 97.9407874986.

The spelling of 939487 in words is "nine hundred thirty-nine thousand, four hundred eighty-seven".