846642 has 8 divisors (see below), whose sum is σ = 1693296. Its totient is φ = 282212.

The previous prime is 846589. The next prime is 846647. The reversal of 846642 is 246648.

It is a sphenic number, since it is the product of 3 distinct primes.

846642 is an admirable number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (846647) 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 3 ways as a sum of consecutive naturals, for example, 70548 + ... + 70559.

It is an arithmetic number, because the mean of its divisors is an integer number (211662).

2⁸⁴⁶⁶⁴² is an apocalyptic number.

846642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

846642 is a wasteful number, since it uses less digits than its factorization.

846642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141112.

The product of its digits is 9216, while the sum is 30.

The square root of 846642 is about 920.1315123394. The cubic root of 846642 is about 94.6019168636.

It can be divided in two parts, 84664 and 2, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 846642 in words is "eight hundred forty-six thousand, six hundred forty-two".