38674865 has 4 divisors (see below), whose sum is σ = 46409844. Its totient is φ = 30939888.

The previous prime is 38674807. The next prime is 38674877. The reversal of 38674865 is 56847683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56847683 = 4051 ⋅14033.

It can be written as a sum of positive squares in 2 ways, for example, as 29408929 + 9265936 = 5423^2 + 3044^2 .

It is a cyclic number.

It is not a de Polignac number, because 38674865 - 2¹² = 38670769 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 3867482 + ... + 3867491.

It is an arithmetic number, because the mean of its divisors is an integer number (11602461).

Almost surely, 2^38674865 is an apocalyptic number.

It is an amenable number.

38674865 is a deficient number, since it is larger than the sum of its proper divisors (7734979).

38674865 is an equidigital number, since it uses as much as digits as its factorization.

38674865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734978.

The product of its digits is 967680, while the sum is 47.

The square root of 38674865 is about 6218.9118823151. The cubic root of 38674865 is about 338.1761187822.

The spelling of 38674865 in words is "thirty-eight million, six hundred seventy-four thousand, eight hundred sixty-five".