8869142 has 4 divisors (see below), whose sum is σ = 13303716. Its totient is φ = 4434570.

The previous prime is 8869141. The next prime is 8869153. The reversal of 8869142 is 2419688.

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

It is a junction number, because it is equal to n+sod(n) for n = 8869096 and 8869105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8869141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2217284 + ... + 2217287.

It is an arithmetic number, because the mean of its divisors is an integer number (3325929).

Almost surely, 2^8869142 is an apocalyptic number.

8869142 is a deficient number, since it is larger than the sum of its proper divisors (4434574).

8869142 is a wasteful number, since it uses less digits than its factorization.

8869142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434573.

The product of its digits is 27648, while the sum is 38.

The square root of 8869142 is about 2978.1104747809. The cubic root of 8869142 is about 206.9953245616.

The spelling of 8869142 in words is "eight million, eight hundred sixty-nine thousand, one hundred forty-two".