8997142 has 32 divisors (see below), whose sum is σ = 17291520. Its totient is φ = 3408480.

The previous prime is 8997139. The next prime is 8997167. The reversal of 8997142 is 2417998.

It is a junction number, because it is equal to n+sod(n) for n = 8997095 and 8997104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4909 + ... + 6487.

It is an arithmetic number, because the mean of its divisors is an integer number (540360).

Almost surely, 2^8997142 is an apocalyptic number.

8997142 is a deficient number, since it is larger than the sum of its proper divisors (8294378).

8997142 is a wasteful number, since it uses less digits than its factorization.

8997142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636.

The product of its digits is 36288, while the sum is 40.

The square root of 8997142 is about 2999.5236288451. The cubic root of 8997142 is about 207.9863619017.

The spelling of 8997142 in words is "eight million, nine hundred ninety-seven thousand, one hundred forty-two".