38841939 has 12 divisors (see below), whose sum is σ = 56161456.
Its totient is φ = 25868592.
The previous prime is 38841937. The next prime is 38841949. The reversal of 38841939 is 93914883.
It is not a de Polignac number, because 38841939 - 21 = 38841937 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38841894 and 38841903.
It is not an unprimeable number, because it can be changed into a prime (38841937) 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, 12489 + ... + 15285.
Almost surely, 238841939 is an apocalyptic number.
38841939 is a deficient number, since it is larger than the sum of its proper divisors (17319517).
38841939 is a wasteful number, since it uses less digits than its factorization.
38841939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4346 (or 4343 counting only the distinct ones).
The product of its digits is 186624, while the sum is 45.
The square root of 38841939 is about 6232.3301420897.
The cubic root of 38841939 is about 338.6623887117.
The spelling of 38841939 in words is "thirty-eight million, eight hundred forty-one thousand, nine hundred thirty-nine".