38634805 has 8 divisors (see below), whose sum is σ = 50576544. Its totient is φ = 28098000.

The previous prime is 38634787. The next prime is 38634821. The reversal of 38634805 is 50843683.

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

It is not a de Polignac number, because 38634805 - 2¹³ = 38626613 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 7 ways as a sum of consecutive naturals, for example, 351171 + ... + 351280.

It is an arithmetic number, because the mean of its divisors is an integer number (6322068).

Almost surely, 2^38634805 is an apocalyptic number.

It is an amenable number.

38634805 is a deficient number, since it is larger than the sum of its proper divisors (11941739).

38634805 is a wasteful number, since it uses less digits than its factorization.

38634805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702467.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 38634805 is about 6215.6902271590. The cubic root of 38634805 is about 338.0593158274.

It can be divided in two parts, 3863 and 4805, that added together give a palindrome (8668).

The spelling of 38634805 in words is "thirty-eight million, six hundred thirty-four thousand, eight hundred five".