979001 has 2 divisors, whose sum is σ = 979002. Its totient is φ = 979000.

The previous prime is 978997. The next prime is 979009. The reversal of 979001 is 100979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900601 + 78400 = 949^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 979001 - 2² = 978997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (979009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489500 + 489501.

It is an arithmetic number, because the mean of its divisors is an integer number (489501).

2⁹⁷⁹⁰⁰¹ is an apocalyptic number.

It is an amenable number.

979001 is a deficient number, since it is larger than the sum of its proper divisors (1).

979001 is an equidigital number, since it uses as much as digits as its factorization.

979001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 979001 is about 989.4447938112. Note that the first 3 decimals coincide. The cubic root of 979001 is about 99.2950758288.

The spelling of 979001 in words is "nine hundred seventy-nine thousand, one".