870965 has 8 divisors (see below), whose sum is σ = 1069728. Its totient is φ = 680400.

The previous prime is 870953. The next prime is 870967. The reversal of 870965 is 569078.

870965 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 not a de Polignac number, because 870965 - 2⁶ = 870901 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811 + ... + 2240.

It is an arithmetic number, because the mean of its divisors is an integer number (133716).

2⁸⁷⁰⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

870965 is a deficient number, since it is larger than the sum of its proper divisors (198763).

870965 is a wasteful number, since it uses less digits than its factorization.

870965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 870965 is about 933.2550562413. The cubic root of 870965 is about 95.4993101382.

The spelling of 870965 in words is "eight hundred seventy thousand, nine hundred sixty-five".