846970513 has 4 divisors (see below), whose sum is σ = 847341540. Its totient is φ = 846599488.

The previous prime is 846970511. The next prime is 846970559. The reversal of 846970513 is 315079648.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 656999424 + 189971089 = 25632^2 + 13783^2 .

It is a cyclic number.

It is not a de Polignac number, because 846970513 - 2¹ = 846970511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 846970513.

It is not an unprimeable number, because it can be changed into a prime (846970511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182068 + ... + 186661.

It is an arithmetic number, because the mean of its divisors is an integer number (211835385).

Almost surely, 2^846970513 is an apocalyptic number.

It is an amenable number.

846970513 is a deficient number, since it is larger than the sum of its proper divisors (371027).

846970513 is a wasteful number, since it uses less digits than its factorization.

846970513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371026.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 846970513 is about 29102.7578246461. The cubic root of 846970513 is about 946.1415105498.

The spelling of 846970513 in words is "eight hundred forty-six million, nine hundred seventy thousand, five hundred thirteen".