938949 has 16 divisors (see below), whose sum is σ = 1404480. Its totient is φ = 552960.

The previous prime is 938947. The next prime is 938953. The reversal of 938949 is 949839.

It is not a de Polignac number, because 938949 - 2¹ = 938947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938947) 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 in 15 ways as a sum of consecutive naturals, for example, 837 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (87780).

2⁹³⁸⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

938949 is a deficient number, since it is larger than the sum of its proper divisors (465531).

938949 is a wasteful number, since it uses less digits than its factorization.

938949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its digits is 69984, while the sum is 42.

The square root of 938949 is about 968.9938080298. The cubic root of 938949 is about 97.9220885685.

The spelling of 938949 in words is "nine hundred thirty-eight thousand, nine hundred forty-nine".