870158 has 8 divisors (see below), whose sum is σ = 1333152. Its totient is φ = 425776.

The previous prime is 870151. The next prime is 870161. The reversal of 870158 is 851078.

It is a happy number.

870158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 870158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4535 + ... + 4722.

It is an arithmetic number, because the mean of its divisors is an integer number (166644).

2⁸⁷⁰¹⁵⁸ is an apocalyptic number.

870158 is a deficient number, since it is larger than the sum of its proper divisors (462994).

870158 is a wasteful number, since it uses less digits than its factorization.

870158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9306.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 870158 is about 932.8225983540. The cubic root of 870158 is about 95.4698057922.

The spelling of 870158 in words is "eight hundred seventy thousand, one hundred fifty-eight".