849129 has 8 divisors (see below), whose sum is σ = 1191840. Its totient is φ = 536256.

The previous prime is 849127. The next prime is 849131. The reversal of 849129 is 921948.

It is an interprime number because it is at equal distance from previous prime (849127) and next prime (849131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 849129 - 2¹ = 849127 is a prime.

It is a Curzon number.

849129 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 849129.

It is not an unprimeable number, because it can be changed into a prime (849127) 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, 7392 + ... + 7505.

It is an arithmetic number, because the mean of its divisors is an integer number (148980).

2⁸⁴⁹¹²⁹ is an apocalyptic number.

It is an amenable number.

849129 is a deficient number, since it is larger than the sum of its proper divisors (342711).

849129 is a wasteful number, since it uses less digits than its factorization.

849129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14919.

The product of its digits is 5184, while the sum is 33.

The square root of 849129 is about 921.4819585863. The cubic root of 849129 is about 94.6944569494.

The spelling of 849129 in words is "eight hundred forty-nine thousand, one hundred twenty-nine".