868492 has 12 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 419216.

The previous prime is 868489. The next prime is 868493. The reversal of 868492 is 294868.

It is not an unprimeable number, because it can be changed into a prime (868493) 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, 3628 + ... + 3859.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

2⁸⁶⁸⁴⁹² is an apocalyptic number.

It is an amenable number.

868492 is a deficient number, since it is larger than the sum of its proper divisors (703988).

868492 is a wasteful number, since it uses less digits than its factorization.

868492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520 (or 7518 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 868492 is about 931.9291818588. The cubic root of 868492 is about 95.4088382010.

The spelling of 868492 in words is "eight hundred sixty-eight thousand, four hundred ninety-two".