38886965 has 8 divisors (see below), whose sum is σ = 50254008. Its totient is φ = 28716480.

The previous prime is 38886961. The next prime is 38886979. The reversal of 38886965 is 56968883.

It is a happy number.

38886965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1444804 + 37442161 = 1202^2 + 6119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38886965 - 2² = 38886961 is a prime.

It is a super-2 number, since 2×38886965² = 3024392093822450, which contains 22 as substring.

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 (38886961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299066 + ... + 299195.

It is an arithmetic number, because the mean of its divisors is an integer number (6281751).

Almost surely, 2^38886965 is an apocalyptic number.

It is an amenable number.

38886965 is a deficient number, since it is larger than the sum of its proper divisors (11367043).

38886965 is a wasteful number, since it uses less digits than its factorization.

38886965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598279.

The product of its digits is 2488320, while the sum is 53.

The square root of 38886965 is about 6235.9413884353. The cubic root of 38886965 is about 338.7931985595.

The spelling of 38886965 in words is "thirty-eight million, eight hundred eighty-six thousand, nine hundred sixty-five".