38875385 has 4 divisors (see below), whose sum is σ = 46650468. Its totient is φ = 31100304.

The previous prime is 38875373. The next prime is 38875391. The reversal of 38875385 is 58357883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15912121 + 22963264 = 3989^2 + 4792^2 .

It is a cyclic number.

It is not a de Polignac number, because 38875385 - 2⁶ = 38875321 is a prime.

It is a super-2 number, since 2×38875385² = 3022591117796450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3887534 + ... + 3887543.

It is an arithmetic number, because the mean of its divisors is an integer number (11662617).

Almost surely, 2^38875385 is an apocalyptic number.

It is an amenable number.

38875385 is a deficient number, since it is larger than the sum of its proper divisors (7775083).

38875385 is an equidigital number, since it uses as much as digits as its factorization.

38875385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775082.

The product of its digits is 806400, while the sum is 47.

The square root of 38875385 is about 6235.0128307807. The cubic root of 38875385 is about 338.7595659122.

The spelling of 38875385 in words is "thirty-eight million, eight hundred seventy-five thousand, three hundred eighty-five".