870854 has 4 divisors (see below), whose sum is σ = 1306284. Its totient is φ = 435426.

The previous prime is 870853. The next prime is 870871. The reversal of 870854 is 458078.

870854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 870854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217712 + ... + 217715.

It is an arithmetic number, because the mean of its divisors is an integer number (326571).

2⁸⁷⁰⁸⁵⁴ is an apocalyptic number.

870854 is a deficient number, since it is larger than the sum of its proper divisors (435430).

870854 is a wasteful number, since it uses less digits than its factorization.

870854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435429.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 870854 is about 933.1955850731. The cubic root of 870854 is about 95.4952530009.

The spelling of 870854 in words is "eight hundred seventy thousand, eight hundred fifty-four".