979143 has 8 divisors (see below), whose sum is σ = 1424256. Its totient is φ = 593400.

The previous prime is 979117. The next prime is 979159. The reversal of 979143 is 341979.

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

It is a de Polignac number, because none of the positive numbers 2^k-979143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 29671 = 979143 / (9 + 7 + 9 + 1 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14803 + ... + 14868.

It is an arithmetic number, because the mean of its divisors is an integer number (178032).

2⁹⁷⁹¹⁴³ is an apocalyptic number.

979143 is a deficient number, since it is larger than the sum of its proper divisors (445113).

979143 is a wasteful number, since it uses less digits than its factorization.

979143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29685.

The product of its digits is 6804, while the sum is 33.

The square root of 979143 is about 989.5165486236. The cubic root of 979143 is about 99.2998763752.

The spelling of 979143 in words is "nine hundred seventy-nine thousand, one hundred forty-three".