829770393 has 4 divisors (see below), whose sum is σ = 1106360528. Its totient is φ = 553180260.

The previous prime is 829770353. The next prime is 829770419. The reversal of 829770393 is 393077928.

829770393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 829770393 - 2²¹ = 827673241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (829770353) 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, 138295063 + ... + 138295068.

It is an arithmetic number, because the mean of its divisors is an integer number (276590132).

Almost surely, 2^829770393 is an apocalyptic number.

It is an amenable number.

829770393 is a deficient number, since it is larger than the sum of its proper divisors (276590135).

829770393 is a wasteful number, since it uses less digits than its factorization.

829770393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276590134.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 829770393 is about 28805.7354184891. The cubic root of 829770393 is about 939.6929708753.

The spelling of 829770393 in words is "eight hundred twenty-nine million, seven hundred seventy thousand, three hundred ninety-three".