938548949 has 4 divisors (see below), whose sum is σ = 1010745036. Its totient is φ = 866352864.

The previous prime is 938548927. The next prime is 938548951. The reversal of 938548949 is 949845839.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 269550724 + 668998225 = 16418^2 + 25865^2 .

It is not a de Polignac number, because 938548949 - 2⁸ = 938548693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938548249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36098024 + ... + 36098049.

It is an arithmetic number, because the mean of its divisors is an integer number (252686259).

Almost surely, 2^938548949 is an apocalyptic number.

It is an amenable number.

938548949 is a deficient number, since it is larger than the sum of its proper divisors (72196087).

938548949 is a wasteful number, since it uses less digits than its factorization.

938548949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72196086.

The product of its digits is 11197440, while the sum is 59.

The square root of 938548949 is about 30635.7462615161. The cubic root of 938548949 is about 979.0817961492.

The spelling of 938548949 in words is "nine hundred thirty-eight million, five hundred forty-eight thousand, nine hundred forty-nine".