846993961 has 16 divisors (see below), whose sum is σ = 938580480. Its totient is φ = 757883520.

The previous prime is 846993947. The next prime is 846993991. The reversal of 846993961 is 169399648.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-846993961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (846993991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587880 + ... + 589318.

It is an arithmetic number, because the mean of its divisors is an integer number (58661280).

Almost surely, 2^846993961 is an apocalyptic number.

It is an amenable number.

846993961 is a deficient number, since it is larger than the sum of its proper divisors (91586519).

846993961 is a wasteful number, since it uses less digits than its factorization.

846993961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256.

The product of its digits is 2519424, while the sum is 55.

The square root of 846993961 is about 29103.1606702777. The cubic root of 846993961 is about 946.1502416375.

The spelling of 846993961 in words is "eight hundred forty-six million, nine hundred ninety-three thousand, nine hundred sixty-one".