870653 has 8 divisors (see below), whose sum is σ = 1011840. Its totient is φ = 733680.

The previous prime is 870643. The next prime is 870679. The reversal of 870653 is 356078.

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

It is a cyclic number.

It is not a de Polignac number, because 870653 - 2⁶ = 870589 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 7⁷ + 6⁵ + 0 + 5 + 3⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870613) 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, 593 + ... + 1446.

It is an arithmetic number, because the mean of its divisors is an integer number (126480).

2⁸⁷⁰⁶⁵³ is an apocalyptic number.

It is an amenable number.

870653 is a deficient number, since it is larger than the sum of its proper divisors (141187).

870653 is a wasteful number, since it uses less digits than its factorization.

870653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 870653 is about 933.0878843925. The cubic root of 870653 is about 95.4879054153.

The spelling of 870653 in words is "eight hundred seventy thousand, six hundred fifty-three".