8969138 has 4 divisors (see below), whose sum is σ = 13453710. Its totient is φ = 4484568.

The previous prime is 8969131. The next prime is 8969143. The reversal of 8969138 is 8319698.

8969138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5139289 + 3829849 = 2267^2 + 1957^2 .

It is not an unprimeable number, because it can be changed into a prime (8969131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2242283 + ... + 2242286.

Almost surely, 2^8969138 is an apocalyptic number.

8969138 is a deficient number, since it is larger than the sum of its proper divisors (4484572).

8969138 is a wasteful number, since it uses less digits than its factorization.

8969138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484571.

The product of its digits is 93312, while the sum is 44.

The square root of 8969138 is about 2994.8519162055. The cubic root of 8969138 is about 207.7703487313.

The spelling of 8969138 in words is "eight million, nine hundred sixty-nine thousand, one hundred thirty-eight".