846521345 has 32 divisors (see below), whose sum is σ = 1085736960. Its totient is φ = 631800000.

The previous prime is 846521327. The next prime is 846521413. The reversal of 846521345 is 543125648.

It is not a de Polignac number, because 846521345 - 2¹⁴ = 846504961 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 846521299 and 846521308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3123560 + ... + 3123830.

It is an arithmetic number, because the mean of its divisors is an integer number (33929280).

Almost surely, 2^846521345 is an apocalyptic number.

It is an amenable number.

846521345 is a deficient number, since it is larger than the sum of its proper divisors (239215615).

846521345 is a wasteful number, since it uses less digits than its factorization.

846521345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its digits is 115200, while the sum is 38.

The square root of 846521345 is about 29095.0398693660. The cubic root of 846521345 is about 945.9742274191.

The spelling of 846521345 in words is "eight hundred forty-six million, five hundred twenty-one thousand, three hundred forty-five".