8609142 has 8 divisors (see below), whose sum is σ = 17218296. Its totient is φ = 2869712.

The previous prime is 8609137. The next prime is 8609149. The reversal of 8609142 is 2419068.

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

8609142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8609149) 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, 717423 + ... + 717434.

It is an arithmetic number, because the mean of its divisors is an integer number (2152287).

Almost surely, 2^8609142 is an apocalyptic number.

8609142 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.

8609142 is a wasteful number, since it uses less digits than its factorization.

8609142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434862.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 8609142 is about 2934.1339437728. The cubic root of 8609142 is about 204.9525331307.

The spelling of 8609142 in words is "eight million, six hundred nine thousand, one hundred forty-two".