38378365 has 4 divisors (see below), whose sum is σ = 46054044. Its totient is φ = 30702688.

The previous prime is 38378357. The next prime is 38378393. The reversal of 38378365 is 56387383.

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 16597476 + 21780889 = 4074^2 + 4667^2 .

It is a cyclic number.

It is not a de Polignac number, because 38378365 - 2³ = 38378357 is a prime.

It is a Duffinian number.

It is a congruent 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, 3837832 + ... + 3837841.

It is an arithmetic number, because the mean of its divisors is an integer number (11513511).

Almost surely, 2^38378365 is an apocalyptic number.

It is an amenable number.

38378365 is a deficient number, since it is larger than the sum of its proper divisors (7675679).

38378365 is an equidigital number, since it uses as much as digits as its factorization.

38378365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7675678.

The product of its digits is 362880, while the sum is 43.

The square root of 38378365 is about 6195.0274414243. The cubic root of 38378365 is about 337.3096942673.

The spelling of 38378365 in words is "thirty-eight million, three hundred seventy-eight thousand, three hundred sixty-five".