38377865 has 8 divisors (see below), whose sum is σ = 46347720. Its totient is φ = 30506112.

The previous prime is 38377847. The next prime is 38377877. The reversal of 38377865 is 56877383.

It can be written as a sum of positive squares in 4 ways, for example, as 2569609 + 35808256 = 1603^2 + 5984^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38377865 - 2⁸ = 38377609 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 23660 + ... + 25229.

It is an arithmetic number, because the mean of its divisors is an integer number (5793465).

Almost surely, 2^38377865 is an apocalyptic number.

It is an amenable number.

38377865 is a deficient number, since it is larger than the sum of its proper divisors (7969855).

38377865 is a wasteful number, since it uses less digits than its factorization.

38377865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49051.

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

The square root of 38377865 is about 6194.9870863465. The cubic root of 38377865 is about 337.3082294179.

The spelling of 38377865 in words is "thirty-eight million, three hundred seventy-seven thousand, eight hundred sixty-five".