849622172 has 36 divisors (see below), whose sum is σ = 1771789824. Its totient is φ = 355239360.

The previous prime is 849622153. The next prime is 849622181. The reversal of 849622172 is 271226948.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44828 + ... + 60899.

It is an arithmetic number, because the mean of its divisors is an integer number (49216384).

Almost surely, 2^849622172 is an apocalyptic number.

849622172 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

849622172 is an abundant number, since it is smaller than the sum of its proper divisors (922167652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849622172 is a wasteful number, since it uses less digits than its factorization.

849622172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105786 (or 105777 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 849622172 is about 29148.2790572617. The cubic root of 849622172 is about 947.1278616931.

The spelling of 849622172 in words is "eight hundred forty-nine million, six hundred twenty-two thousand, one hundred seventy-two".