38427865 has 32 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 25228800.

The previous prime is 38427859. The next prime is 38427877. The reversal of 38427865 is 56872483.

38427865 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 38427865 - 2⁵ = 38427833 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 87316 + ... + 87754.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^38427865 is an apocalyptic number.

38427865 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38427865 is a deficient number, since it is larger than the sum of its proper divisors (16568615).

38427865 is a wasteful number, since it uses less digits than its factorization.

38427865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its digits is 322560, while the sum is 43.

The square root of 38427865 is about 6199.0212937205. The cubic root of 38427865 is about 337.4546514287.

The spelling of 38427865 in words is "thirty-eight million, four hundred twenty-seven thousand, eight hundred sixty-five".