38765378 has 12 divisors (see below), whose sum is σ = 59128290. Its totient is φ = 19061280.

The previous prime is 38765369. The next prime is 38765387. The reversal of 38765378 is 87356783.

It is an interprime number because it is at equal distance from previous prime (38765369) and next prime (38765387).

It can be written as a sum of positive squares in 3 ways, for example, as 23687689 + 15077689 = 4867^2 + 3883^2 .

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 4838 + ... + 10046.

Almost surely, 2^38765378 is an apocalyptic number.

38765378 is a deficient number, since it is larger than the sum of its proper divisors (20362912).

38765378 is an equidigital number, since it uses as much as digits as its factorization.

38765378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333 (or 5272 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 38765378 is about 6226.1848671558. The cubic root of 38765378 is about 338.4397308820.

The spelling of 38765378 in words is "thirty-eight million, seven hundred sixty-five thousand, three hundred seventy-eight".