861324 has 12 divisors (see below), whose sum is σ = 2009784. Its totient is φ = 287104.

The previous prime is 861317. The next prime is 861347. The reversal of 861324 is 423168.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 861294 and 861303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35877 + ... + 35900.

It is an arithmetic number, because the mean of its divisors is an integer number (167482).

2⁸⁶¹³²⁴ is an apocalyptic number.

It is an amenable number.

861324 is an abundant number, since it is smaller than the sum of its proper divisors (1148460).

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

861324 is a wasteful number, since it uses less digits than its factorization.

861324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71784 (or 71782 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 861324 is about 928.0754279691. The cubic root of 861324 is about 95.1456307495.

The spelling of 861324 in words is "eight hundred sixty-one thousand, three hundred twenty-four".