38215065 has 64 divisors (see below), whose sum is σ = 75202560. Its totient is φ = 16174080.

The previous prime is 38215063. The next prime is 38215091. The reversal of 38215065 is 56051283.

38215065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38215065 - 2¹ = 38215063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38215063) 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 63 ways as a sum of consecutive naturals, for example, 140880 + ... + 141150.

It is an arithmetic number, because the mean of its divisors is an integer number (1175040).

Almost surely, 2^38215065 is an apocalyptic number.

38215065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38215065 is a deficient number, since it is larger than the sum of its proper divisors (36987495).

38215065 is a wasteful number, since it uses less digits than its factorization.

38215065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 38215065 is about 6181.8334658902. The cubic root of 38215065 is about 336.8305963529.

The spelling of 38215065 in words is "thirty-eight million, two hundred fifteen thousand, sixty-five".