870324 has 48 divisors (see below), whose sum is σ = 2502528. Its totient is φ = 229248.

The previous prime is 870323. The next prime is 870329. The reversal of 870324 is 423078.

It is a junction number, because it is equal to n+sod(n) for n = 870294 and 870303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (52136).

2⁸⁷⁰³²⁴ is an apocalyptic number.

870324 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251264).

870324 is an abundant number, since it is smaller than the sum of its proper divisors (1632204).

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

870324 is a wasteful number, since it uses less digits than its factorization.

870324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 870324 is about 932.9115713721. The cubic root of 870324 is about 95.4758763296.

The spelling of 870324 in words is "eight hundred seventy thousand, three hundred twenty-four".