8469138 has 16 divisors (see below), whose sum is σ = 17485056. Its totient is φ = 2731920.

The previous prime is 8469133. The next prime is 8469161. The reversal of 8469138 is 8319648.

It is a junction number, because it is equal to n+sod(n) for n = 8469096 and 8469105.

It is not an unprimeable number, because it can be changed into a prime (8469133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22581 + ... + 22952.

It is an arithmetic number, because the mean of its divisors is an integer number (1092816).

Almost surely, 2^8469138 is an apocalyptic number.

8469138 is an abundant number, since it is smaller than the sum of its proper divisors (9015918).

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

8469138 is a wasteful number, since it uses less digits than its factorization.

8469138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45569.

The product of its digits is 41472, while the sum is 39.

The square root of 8469138 is about 2910.1783450504. The cubic root of 8469138 is about 203.8354594019.

The spelling of 8469138 in words is "eight million, four hundred sixty-nine thousand, one hundred thirty-eight".