6858129 has 8 divisors (see below), whose sum is σ = 9170560. Its totient is φ = 4558896.

The previous prime is 6858119. The next prime is 6858139. The reversal of 6858129 is 9218586.

6858129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6858119) and next prime (6858139).

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

It is not a de Polignac number, because 6858129 - 2⁵ = 6858097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6858109) 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, 2014 + ... + 4215.

It is an arithmetic number, because the mean of its divisors is an integer number (1146320).

Almost surely, 2^6858129 is an apocalyptic number.

It is an amenable number.

6858129 is a deficient number, since it is larger than the sum of its proper divisors (2312431).

6858129 is a wasteful number, since it uses less digits than its factorization.

6858129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599.

The product of its digits is 34560, while the sum is 39.

The square root of 6858129 is about 2618.8029708246. The cubic root of 6858129 is about 189.9919571849.

The spelling of 6858129 in words is "six million, eight hundred fifty-eight thousand, one hundred twenty-nine".