846074940 has 192 divisors, whose sum is σ = 2612736000. Its totient is φ = 203765760.

The previous prime is 846074903. The next prime is 846074963. The reversal of 846074940 is 49470648.

It is a junction number, because it is equal to n+sod(n) for n = 846074892 and 846074901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3145126 + ... + 3145394.

It is an arithmetic number, because the mean of its divisors is an integer number (13608000).

Almost surely, 2^846074940 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 846074940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306368000).

846074940 is an abundant number, since it is smaller than the sum of its proper divisors (1766661060).

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

846074940 is a wasteful number, since it uses less digits than its factorization.

846074940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 846074940 is about 29087.3673611071. The cubic root of 846074940 is about 945.8079146698.

The spelling of 846074940 in words is "eight hundred forty-six million, seventy-four thousand, nine hundred forty".