9172942846 has 32 divisors (see below), whose sum is σ = 14915404800. Its totient is φ = 4217912160.

The previous prime is 9172942799. The next prime is 9172942847. The reversal of 9172942846 is 6482492719.

It is a junction number, because it is equal to n+sod(n) for n = 9172942793 and 9172942802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9172942847) 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, 304441 + ... + 333211.

It is an arithmetic number, because the mean of its divisors is an integer number (466106400).

Almost surely, 2^9172942846 is an apocalyptic number.

9172942846 is a deficient number, since it is larger than the sum of its proper divisors (5742461954).

9172942846 is a wasteful number, since it uses less digits than its factorization.

9172942846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29064.

The product of its digits is 1741824, while the sum is 52.

The square root of 9172942846 is about 95775.4814448876. The cubic root of 9172942846 is about 2093.3229227905.

The spelling of 9172942846 in words is "nine billion, one hundred seventy-two million, nine hundred forty-two thousand, eight hundred forty-six".