864254 has 8 divisors (see below), whose sum is σ = 1303680. Its totient is φ = 429696.

The previous prime is 864251. The next prime is 864277. The reversal of 864254 is 452468.

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

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 864254.

It is not an unprimeable number, because it can be changed into a prime (864251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (162960).

2⁸⁶⁴²⁵⁴ is an apocalyptic number.

864254 is a deficient number, since it is larger than the sum of its proper divisors (439426).

864254 is a wasteful number, since it uses less digits than its factorization.

864254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434.

The product of its digits is 7680, while the sum is 29.

The square root of 864254 is about 929.6526232954. The cubic root of 864254 is about 95.2533955339.

The spelling of 864254 in words is "eight hundred sixty-four thousand, two hundred fifty-four".