38501965 has 4 divisors (see below), whose sum is σ = 46202364. Its totient is φ = 30801568.

The previous prime is 38501963. The next prime is 38502001. The reversal of 38501965 is 56910583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56910583 = 41 ⋅1388063.

It can be written as a sum of positive squares in 2 ways, for example, as 20912329 + 17589636 = 4573^2 + 4194^2 .

It is a cyclic number.

It is not a de Polignac number, because 38501965 - 2¹ = 38501963 is a prime.

It is a super-2 number, since 2×38501965² = 2964802617722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38501963) 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, 3850192 + ... + 3850201.

It is an arithmetic number, because the mean of its divisors is an integer number (11550591).

Almost surely, 2^38501965 is an apocalyptic number.

It is an amenable number.

38501965 is a deficient number, since it is larger than the sum of its proper divisors (7700399).

38501965 is an equidigital number, since it uses as much as digits as its factorization.

38501965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700398.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 38501965 is about 6204.9951651875. The cubic root of 38501965 is about 337.6714154386.

The spelling of 38501965 in words is "thirty-eight million, five hundred one thousand, nine hundred sixty-five".