38634843 has 8 divisors (see below), whose sum is σ = 55475728. Its totient is φ = 23775264.

The previous prime is 38634821. The next prime is 38634851. The reversal of 38634843 is 34843683.

38634843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 38634843 - 2⁹ = 38634331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 990637 = 38634843 / (3 + 8 + 6 + 3 + 4 + 8 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38634853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495280 + ... + 495357.

It is an arithmetic number, because the mean of its divisors is an integer number (6934466).

Almost surely, 2^38634843 is an apocalyptic number.

38634843 is a deficient number, since it is larger than the sum of its proper divisors (16840885).

38634843 is a wasteful number, since it uses less digits than its factorization.

38634843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990653.

The product of its digits is 165888, while the sum is 39.

The square root of 38634843 is about 6215.6932839386. The cubic root of 38634843 is about 338.0594266623.

The spelling of 38634843 in words is "thirty-eight million, six hundred thirty-four thousand, eight hundred forty-three".