8617142 has 4 divisors (see below), whose sum is σ = 12925716. Its totient is φ = 4308570.

The previous prime is 8617129. The next prime is 8617153. The reversal of 8617142 is 2417168.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2154284 + ... + 2154287.

It is an arithmetic number, because the mean of its divisors is an integer number (3231429).

Almost surely, 2^8617142 is an apocalyptic number.

8617142 is a deficient number, since it is larger than the sum of its proper divisors (4308574).

8617142 is a wasteful number, since it uses less digits than its factorization.

8617142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308573.

The product of its digits is 2688, while the sum is 29.

The square root of 8617142 is about 2935.4968914990. The cubic root of 8617142 is about 205.0159971653.

The spelling of 8617142 in words is "eight million, six hundred seventeen thousand, one hundred forty-two".