849621192 has 48 divisors (see below), whose sum is σ = 2470840560. Its totient is φ = 242748576.

The previous prime is 849621139. The next prime is 849621193. The reversal of 849621192 is 291126948.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (849621193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360058 + ... + 362409.

It is an arithmetic number, because the mean of its divisors is an integer number (51475845).

Almost surely, 2^849621192 is an apocalyptic number.

It is an amenable number.

849621192 is an abundant number, since it is smaller than the sum of its proper divisors (1621219368).

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

849621192 is a wasteful number, since it uses less digits than its factorization.

849621192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722490 (or 722479 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 849621192 is about 29148.2622466589. The cubic root of 849621192 is about 947.1274975369.

The spelling of 849621192 in words is "eight hundred forty-nine million, six hundred twenty-one thousand, one hundred ninety-two".