830999424 has 128 divisors (see below), whose sum is σ = 2299651200. Its totient is φ = 265660416.

The previous prime is 830999413. The next prime is 830999461. The reversal of 830999424 is 424999038.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973782 + ... + 974634.

It is an arithmetic number, because the mean of its divisors is an integer number (17966025).

Almost surely, 2^830999424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830999424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149825600).

830999424 is an abundant number, since it is smaller than the sum of its proper divisors (1468651776).

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

830999424 is a wasteful number, since it uses less digits than its factorization.

830999424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 830999424 is about 28827.0606201881. The cubic root of 830999424 is about 940.1566903425.

The spelling of 830999424 in words is "eight hundred thirty million, nine hundred ninety-nine thousand, four hundred twenty-four".