38383938 has 24 divisors (see below), whose sum is σ = 83402748. Its totient is φ = 12758112.

The previous prime is 38383937. The next prime is 38383951. The reversal of 38383938 is 83938383.

It can be written as a sum of positive squares in 2 ways, for example, as 38229489 + 154449 = 6183^2 + 393^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38383893 and 38383902.

It is not an unprimeable number, because it can be changed into a prime (38383937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3856 + ... + 9572.

Almost surely, 2^38383938 is an apocalyptic number.

38383938 is an abundant number, since it is smaller than the sum of its proper divisors (45018810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38383938 is a wasteful number, since it uses less digits than its factorization.

38383938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098 (or 6095 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 38383938 is about 6195.4772213285. The cubic root of 38383938 is about 337.3260206181.

It can be divided in two parts, 3838 and 3938, that added together give a 5-th power (7776 = 6⁵).

The spelling of 38383938 in words is "thirty-eight million, three hundred eighty-three thousand, nine hundred thirty-eight".