864514 has 8 divisors (see below), whose sum is σ = 1482048. Its totient is φ = 370500.

The previous prime is 864511. The next prime is 864533. The reversal of 864514 is 415468.

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

It is not an unprimeable number, because it can be changed into a prime (864511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30862 + ... + 30889.

It is an arithmetic number, because the mean of its divisors is an integer number (185256).

2⁸⁶⁴⁵¹⁴ is an apocalyptic number.

864514 is a deficient number, since it is larger than the sum of its proper divisors (617534).

864514 is a wasteful number, since it uses less digits than its factorization.

864514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61760.

The product of its digits is 3840, while the sum is 28.

The square root of 864514 is about 929.7924499586. The cubic root of 864514 is about 95.2629465069.

It can be divided in two parts, 864 and 514, that added together give a triangular number (1378 = T₅₂).

The spelling of 864514 in words is "eight hundred sixty-four thousand, five hundred fourteen".