38808485 has 4 divisors (see below), whose sum is σ = 46570188. Its totient is φ = 31046784.

The previous prime is 38808481. The next prime is 38808487. The reversal of 38808485 is 58480883.

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 9572836 + 29235649 = 3094^2 + 5407^2 .

It is a cyclic number.

It is not a de Polignac number, because 38808485 - 2² = 38808481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38808481) 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, 3880844 + ... + 3880853.

It is an arithmetic number, because the mean of its divisors is an integer number (11642547).

Almost surely, 2^38808485 is an apocalyptic number.

It is an amenable number.

38808485 is a deficient number, since it is larger than the sum of its proper divisors (7761703).

38808485 is an equidigital number, since it uses as much as digits as its factorization.

38808485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761702.

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 38808485 is about 6229.6456560546. The cubic root of 38808485 is about 338.5651324463.

It can be divided in two parts, 38808 and 485, that added together give a palindrome (39293).

The spelling of 38808485 in words is "thirty-eight million, eight hundred eight thousand, four hundred eighty-five".