864412 has 6 divisors (see below), whose sum is σ = 1512728. Its totient is φ = 432204.

The previous prime is 864407. The next prime is 864419. The reversal of 864412 is 214468.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864419) by changing a digit.

864412 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108048 + ... + 108055.

2⁸⁶⁴⁴¹² is an apocalyptic number.

It is an amenable number.

864412 is a deficient number, since it is larger than the sum of its proper divisors (648316).

864412 is a wasteful number, since it uses less digits than its factorization.

864412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216107 (or 216105 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 864412 is about 929.7375973897. The cubic root of 864412 is about 95.2591998150.

The spelling of 864412 in words is "eight hundred sixty-four thousand, four hundred twelve".