829328649 has 8 divisors (see below), whose sum is σ = 1119768960. Its totient is φ = 545887056.

The previous prime is 829328639. The next prime is 829328651. The reversal of 829328649 is 946823928.

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

It is not a de Polignac number, because 829328649 - 2¹² = 829324553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (829328609) 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, 1749402 + ... + 1749875.

It is an arithmetic number, because the mean of its divisors is an integer number (139971120).

Almost surely, 2^829328649 is an apocalyptic number.

It is an amenable number.

829328649 is a deficient number, since it is larger than the sum of its proper divisors (290440311).

829328649 is a wasteful number, since it uses less digits than its factorization.

829328649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499359.

The product of its digits is 1492992, while the sum is 51.

The square root of 829328649 is about 28798.0667580308. The cubic root of 829328649 is about 939.5261868188.

The spelling of 829328649 in words is "eight hundred twenty-nine million, three hundred twenty-eight thousand, six hundred forty-nine".