879001 has 2 divisors, whose sum is σ = 879002. Its totient is φ = 879000.

The previous prime is 878989. The next prime is 879007. The reversal of 879001 is 100978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 301401 = 760^2 + 549^2 .

It is a cyclic number.

It is not a de Polignac number, because 879001 - 2⁷ = 878873 is a prime.

It is not a weakly prime, because it can be changed into another prime (879007) 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, 439500 + 439501.

It is an arithmetic number, because the mean of its divisors is an integer number (439501).

2⁸⁷⁹⁰⁰¹ is an apocalyptic number.

It is an amenable number.

879001 is a deficient number, since it is larger than the sum of its proper divisors (1).

879001 is an equidigital number, since it uses as much as digits as its factorization.

879001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 879001 is about 937.5505319715. The cubic root of 879001 is about 95.7921210740.

Adding to 879001 its reverse (100978), we get a palindrome (979979).

The spelling of 879001 in words is "eight hundred seventy-nine thousand, one".