829990 has 32 divisors (see below), whose sum is σ = 1741824. Its totient is φ = 278880.

The previous prime is 829987. The next prime is 829993. The reversal of 829990 is 99928.

It is an interprime number because it is at equal distance from previous prime (829987) and next prime (829993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4887 + ... + 5053.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2⁸²⁹⁹⁹⁰ is an apocalyptic number.

829990 is an abundant number, since it is smaller than the sum of its proper divisors (911834).

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

829990 is a wasteful number, since it uses less digits than its factorization.

829990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 829990 is about 911.0378696849. The cubic root of 829990 is about 93.9775863265.

The spelling of 829990 in words is "eight hundred twenty-nine thousand, nine hundred ninety".