979671 has 16 divisors (see below), whose sum is σ = 1628928. Its totient is φ = 508800.

The previous prime is 979651. The next prime is 979691. The reversal of 979671 is 176979.

979671 = 258² + 259² + ... + 271².

It is an interprime number because it is at equal distance from previous prime (979651) and next prime (979691).

It is not a de Polignac number, because 979671 - 2⁷ = 979543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (101808).

2⁹⁷⁹⁶⁷¹ is an apocalyptic number.

979671 is a deficient number, since it is larger than the sum of its proper divisors (649257).

979671 is a wasteful number, since it uses less digits than its factorization.

979671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262.

The product of its digits is 23814, while the sum is 39.

The square root of 979671 is about 989.7833096188. The cubic root of 979671 is about 99.3177222238.

The spelling of 979671 in words is "nine hundred seventy-nine thousand, six hundred seventy-one".