38684441 has 4 divisors (see below), whose sum is σ = 38703972. Its totient is φ = 38664912.

The previous prime is 38684389. The next prime is 38684467. The reversal of 38684441 is 14448683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14448683 = 19 ⋅760457.

It can be written as a sum of positive squares in 2 ways, for example, as 14280841 + 24403600 = 3779^2 + 4940^2 .

It is a cyclic number.

It is not a de Polignac number, because 38684441 - 2⁶ = 38684377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38684395 and 38684404.

It is not an unprimeable number, because it can be changed into a prime (38684491) 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, 6410 + ... + 10883.

It is an arithmetic number, because the mean of its divisors is an integer number (9675993).

Almost surely, 2^38684441 is an apocalyptic number.

It is an amenable number.

38684441 is a deficient number, since it is larger than the sum of its proper divisors (19531).

38684441 is a wasteful number, since it uses less digits than its factorization.

38684441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19530.

The product of its digits is 73728, while the sum is 38.

The square root of 38684441 is about 6219.6817442696. The cubic root of 38684441 is about 338.2040275827.

The spelling of 38684441 in words is "thirty-eight million, six hundred eighty-four thousand, four hundred forty-one".