829720254 has 16 divisors (see below), whose sum is σ = 1810298880. Its totient is φ = 251430360.

The previous prime is 829720237. The next prime is 829720259. The reversal of 829720254 is 452027928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829720259) 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, 6285694 + ... + 6285825.

It is an arithmetic number, because the mean of its divisors is an integer number (113143680).

Almost surely, 2^829720254 is an apocalyptic number.

829720254 is an abundant number, since it is smaller than the sum of its proper divisors (980578626).

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

829720254 is a wasteful number, since it uses less digits than its factorization.

829720254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12571535.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 829720254 is about 28804.8651099081. The cubic root of 829720254 is about 939.6740434647.

The spelling of 829720254 in words is "eight hundred twenty-nine million, seven hundred twenty thousand, two hundred fifty-four".