938947 has 2 divisors, whose sum is σ = 938948. Its totient is φ = 938946.

The previous prime is 938939. The next prime is 938953. The reversal of 938947 is 749839.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 938947 - 2³ = 938939 is a prime.

It is not a weakly prime, because it can be changed into another prime (938347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469473 + 469474.

It is an arithmetic number, because the mean of its divisors is an integer number (469474).

2⁹³⁸⁹⁴⁷ is an apocalyptic number.

938947 is a deficient number, since it is larger than the sum of its proper divisors (1).

938947 is an equidigital number, since it uses as much as digits as its factorization.

938947 is an odious number, because the sum of its binary digits is odd.

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

The square root of 938947 is about 968.9927760309. The cubic root of 938947 is about 97.9220190425.

The spelling of 938947 in words is "nine hundred thirty-eight thousand, nine hundred forty-seven".