8634138 has 8 divisors (see below), whose sum is σ = 17268288. Its totient is φ = 2878044.

The previous prime is 8634137. The next prime is 8634139. The reversal of 8634138 is 8314368.

It is an interprime number because it is at equal distance from previous prime (8634137) and next prime (8634139).

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

8634138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 8634099 and 8634108.

It is not an unprimeable number, because it can be changed into a prime (8634133) 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 3 ways as a sum of consecutive naturals, for example, 719506 + ... + 719517.

It is an arithmetic number, because the mean of its divisors is an integer number (2158536).

Almost surely, 2^8634138 is an apocalyptic number.

8634138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8634138 is a wasteful number, since it uses less digits than its factorization.

8634138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439028.

The product of its digits is 13824, while the sum is 33.

The square root of 8634138 is about 2938.3903756989. The cubic root of 8634138 is about 205.1506962548.

The spelling of 8634138 in words is "eight million, six hundred thirty-four thousand, one hundred thirty-eight".