849451792 has 40 divisors (see below), whose sum is σ = 1912824000. Its totient is φ = 357877632.

The previous prime is 849451781. The next prime is 849451793. The reversal of 849451792 is 297154948.

It is a super-2 number, since 2×849451792² = 1443136693864022528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (849451793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57667 + ... + 70882.

It is an arithmetic number, because the mean of its divisors is an integer number (47820600).

Almost surely, 2^849451792 is an apocalyptic number.

It is an amenable number.

849451792 is an abundant number, since it is smaller than the sum of its proper divisors (1063372208).

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

849451792 is a wasteful number, since it uses less digits than its factorization.

849451792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128623 (or 128617 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 849451792 is about 29145.3562681948. The cubic root of 849451792 is about 947.0645463205.

The spelling of 849451792 in words is "eight hundred forty-nine million, four hundred fifty-one thousand, seven hundred ninety-two".