849730829 has 4 divisors (see below), whose sum is σ = 849857184. Its totient is φ = 849604476.

The previous prime is 849730811. The next prime is 849730841. The reversal of 849730829 is 928037948.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 849730829 - 2¹⁶ = 849665293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849730859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52487 + ... + 66740.

It is an arithmetic number, because the mean of its divisors is an integer number (212464296).

Almost surely, 2^849730829 is an apocalyptic number.

It is an amenable number.

849730829 is a deficient number, since it is larger than the sum of its proper divisors (126355).

849730829 is a wasteful number, since it uses less digits than its factorization.

849730829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126354.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 849730829 is about 29150.1428641439. The cubic root of 849730829 is about 947.1682355945.

The spelling of 849730829 in words is "eight hundred forty-nine million, seven hundred thirty thousand, eight hundred twenty-nine".