853940829 has 8 divisors (see below), whose sum is σ = 1301243200. Its totient is φ = 487966176.

The previous prime is 853940809. The next prime is 853940833. The reversal of 853940829 is 928049358.

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

It is not a de Polignac number, because 853940829 - 2¹⁶ = 853875293 is a prime.

It is a super-3 number, since 3×853940829³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853940809) 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, 20331904 + ... + 20331945.

It is an arithmetic number, because the mean of its divisors is an integer number (162655400).

Almost surely, 2^853940829 is an apocalyptic number.

It is an amenable number.

853940829 is a deficient number, since it is larger than the sum of its proper divisors (447302371).

853940829 is a wasteful number, since it uses less digits than its factorization.

853940829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40663859.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 853940829 is about 29222.2659798996. The cubic root of 853940829 is about 948.7299108545.

The spelling of 853940829 in words is "eight hundred fifty-three million, nine hundred forty thousand, eight hundred twenty-nine".