897879 has 8 divisors (see below), whose sum is σ = 1229680. Its totient is φ = 582336.

The previous prime is 897877. The next prime is 897881. The reversal of 897879 is 978798.

It is an interprime number because it is at equal distance from previous prime (897877) and next prime (897881).

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

It is not a de Polignac number, because 897879 - 2¹ = 897877 is a prime.

It is a Duffinian number.

897879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3934 + ... + 4155.

It is an arithmetic number, because the mean of its divisors is an integer number (153710).

2⁸⁹⁷⁸⁷⁹ is an apocalyptic number.

897879 is a deficient number, since it is larger than the sum of its proper divisors (331801).

897879 is a wasteful number, since it uses less digits than its factorization.

897879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8129.

The product of its digits is 254016, while the sum is 48.

The square root of 897879 is about 947.5647735116. The cubic root of 897879 is about 96.4730342473.

The spelling of 897879 in words is "eight hundred ninety-seven thousand, eight hundred seventy-nine".