870026 has 8 divisors (see below), whose sum is σ = 1381860. Its totient is φ = 409408.

The previous prime is 870013. The next prime is 870031. The reversal of 870026 is 620078.

It can be written as a sum of positive squares in 2 ways, for example, as 748225 + 121801 = 865^2 + 349^2 .

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

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 869983 and 870010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12761 + ... + 12828.

2⁸⁷⁰⁰²⁶ is an apocalyptic number.

870026 is a deficient number, since it is larger than the sum of its proper divisors (511834).

870026 is a wasteful number, since it uses less digits than its factorization.

870026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25608.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 870026 is about 932.7518426677. The cubic root of 870026 is about 95.4649780668.

The spelling of 870026 in words is "eight hundred seventy thousand, twenty-six".