846942817 has 16 divisors (see below), whose sum is σ = 989107200. Its totient is φ = 710191440.

The previous prime is 846942799. The next prime is 846942829. The reversal of 846942817 is 718249648.

It is a happy number.

846942817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-846942817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (846942517) 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, 82284 + ... + 92002.

It is an arithmetic number, because the mean of its divisors is an integer number (61819200).

Almost surely, 2^846942817 is an apocalyptic number.

It is an amenable number.

846942817 is a deficient number, since it is larger than the sum of its proper divisors (142164383).

846942817 is a wasteful number, since it uses less digits than its factorization.

846942817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996.

The product of its digits is 774144, while the sum is 49.

The square root of 846942817 is about 29102.2819895623. The cubic root of 846942817 is about 946.1311974710.

It can be divided in two parts, 84 and 6942817, that multiplied together give a triangular number (583196628 = T₃₄₁₅₂).

The spelling of 846942817 in words is "eight hundred forty-six million, nine hundred forty-two thousand, eight hundred seventeen".