864970 has 16 divisors (see below), whose sum is σ = 1581408. Its totient is φ = 340560.

The previous prime is 864967. The next prime is 864979. The reversal of 864970 is 79468.

864970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864979) 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, 25 + ... + 1315.

It is an arithmetic number, because the mean of its divisors is an integer number (98838).

2⁸⁶⁴⁹⁷⁰ is an apocalyptic number.

864970 is a deficient number, since it is larger than the sum of its proper divisors (716438).

864970 is a wasteful number, since it uses less digits than its factorization.

864970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 864970 is about 930.0376336472. The cubic root of 864970 is about 95.2796928207.

The spelling of 864970 in words is "eight hundred sixty-four thousand, nine hundred seventy".