38883613 has 4 divisors (see below), whose sum is σ = 38953980. Its totient is φ = 38813248.

The previous prime is 38883601. The next prime is 38883631. The reversal of 38883613 is 31638883.

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 18335524 + 20548089 = 4282^2 + 4533^2 .

It is a cyclic number.

It is not a de Polignac number, because 38883613 - 2¹⁷ = 38752541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38883643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34348 + ... + 35461.

It is an arithmetic number, because the mean of its divisors is an integer number (9738495).

Almost surely, 2^38883613 is an apocalyptic number.

It is an amenable number.

38883613 is a deficient number, since it is larger than the sum of its proper divisors (70367).

38883613 is an equidigital number, since it uses as much as digits as its factorization.

38883613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70366.

The product of its digits is 82944, while the sum is 40.

The square root of 38883613 is about 6235.6726180902. The cubic root of 38883613 is about 338.7834637856.

The spelling of 38883613 in words is "thirty-eight million, eight hundred eighty-three thousand, six hundred thirteen".