38446165 has 16 divisors (see below), whose sum is σ = 47180016. Its totient is φ = 30067200.

The previous prime is 38446127. The next prime is 38446201. The reversal of 38446165 is 56164483.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11675889 + 26770276 = 3417^2 + 5174^2 .

It is not a de Polignac number, because 38446165 - 2¹¹ = 38444117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70795 + ... + 71335.

It is an arithmetic number, because the mean of its divisors is an integer number (2948751).

Almost surely, 2^38446165 is an apocalyptic number.

It is an amenable number.

38446165 is a deficient number, since it is larger than the sum of its proper divisors (8733851).

38446165 is a wasteful number, since it uses less digits than its factorization.

38446165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its digits is 69120, while the sum is 37.

The square root of 38446165 is about 6200.4971574866. The cubic root of 38446165 is about 337.5082101341.

The spelling of 38446165 in words is "thirty-eight million, four hundred forty-six thousand, one hundred sixty-five".