846940 has 48 divisors (see below), whose sum is σ = 1959552. Its totient is φ = 306176.

The previous prime is 846931. The next prime is 846943. The reversal of 846940 is 49648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846943) 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, 15954 + ... + 16006.

It is an arithmetic number, because the mean of its divisors is an integer number (40824).

2⁸⁴⁶⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 846940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979776).

846940 is an abundant number, since it is smaller than the sum of its proper divisors (1112612).

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

846940 is a wasteful number, since it uses less digits than its factorization.

846940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 846940 is about 920.2934314663. The cubic root of 846940 is about 94.6130148500.

The spelling of 846940 in words is "eight hundred forty-six thousand, nine hundred forty".