938975669 has 4 divisors (see below), whose sum is σ = 945829644. Its totient is φ = 932121696.

The previous prime is 938975663. The next prime is 938975683. The reversal of 938975669 is 966579839.

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 356718769 + 582256900 = 18887^2 + 24130^2 .

It is not a de Polignac number, because 938975669 - 2⁸ = 938975413 is a prime.

It is a super-3 number, since 3×938975669³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938975663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426782 + ... + 3427055.

It is an arithmetic number, because the mean of its divisors is an integer number (236457411).

Almost surely, 2^938975669 is an apocalyptic number.

It is an amenable number.

938975669 is a deficient number, since it is larger than the sum of its proper divisors (6853975).

938975669 is a wasteful number, since it uses less digits than its factorization.

938975669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853974.

The product of its digits is 22044960, while the sum is 62.

The square root of 938975669 is about 30642.7098834290. The cubic root of 938975669 is about 979.2301565455.

It can be divided in two parts, 9389 and 75669, that added together give a palindrome (85058).

The spelling of 938975669 in words is "nine hundred thirty-eight million, nine hundred seventy-five thousand, six hundred sixty-nine".