864498 has 16 divisors (see below), whose sum is σ = 1742400. Its totient is φ = 285936.

The previous prime is 864491. The next prime is 864503. The reversal of 864498 is 894468.

864498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (864491) 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, 411 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (108900).

2⁸⁶⁴⁴⁹⁸ is an apocalyptic number.

864498 is an abundant number, since it is smaller than the sum of its proper divisors (877902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864498 is a wasteful number, since it uses less digits than its factorization.

864498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121.

The product of its digits is 55296, while the sum is 39.

The square root of 864498 is about 929.7838458481. The cubic root of 864498 is about 95.2623588100.

The spelling of 864498 in words is "eight hundred sixty-four thousand, four hundred ninety-eight".