842576 has 20 divisors (see below), whose sum is σ = 1865952. Its totient is φ = 361056.

The previous prime is 842551. The next prime is 842581. The reversal of 842576 is 675248.

Added to its reverse (675248) it gives a square (1517824 = 1232²).

842576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 8² + 4⁵ + 5⁶ + 2¹⁰ + 7⁷ + 6⁴ .

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842576.

It is an unprimeable number.

842576 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 in 3 ways as a sum of consecutive naturals, for example, 3650 + ... + 3873.

2⁸⁴²⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

842576 is an abundant number, since it is smaller than the sum of its proper divisors (1023376).

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

842576 is a wasteful number, since it uses less digits than its factorization.

842576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7538 (or 7532 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 842576 is about 917.9193864387. The cubic root of 842576 is about 94.4502318125.

Adding to 842576 its reverse (675248), we get a square (1517824 = 1232²).

The spelling of 842576 in words is "eight hundred forty-two thousand, five hundred seventy-six".