8979142 has 4 divisors (see below), whose sum is σ = 13468716. Its totient is φ = 4489570.

The previous prime is 8979137. The next prime is 8979149. The reversal of 8979142 is 2419798.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8979095 and 8979104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8979149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2244784 + ... + 2244787.

It is an arithmetic number, because the mean of its divisors is an integer number (3367179).

Almost surely, 2^8979142 is an apocalyptic number.

8979142 is a deficient number, since it is larger than the sum of its proper divisors (4489574).

8979142 is a wasteful number, since it uses less digits than its factorization.

8979142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489573.

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

The square root of 8979142 is about 2996.5216501804. The cubic root of 8979142 is about 207.8475676815.

The spelling of 8979142 in words is "eight million, nine hundred seventy-nine thousand, one hundred forty-two".