6430830 has 64 divisors (see below), whose sum is σ = 17860608. Its totient is φ = 1451520.

The previous prime is 6430829. The next prime is 6430841. The reversal of 6430830 is 380346.

It is a self number, because there is not a number n which added to its sum of digits gives 6430830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23595 + ... + 23865.

It is an arithmetic number, because the mean of its divisors is an integer number (279072).

Almost surely, 2^6430830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6430830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8930304).

6430830 is an abundant number, since it is smaller than the sum of its proper divisors (11429778).

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

6430830 is a wasteful number, since it uses less digits than its factorization.

6430830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6430830 is about 2535.9081213640. The cubic root of 6430830 is about 185.9612012957.

It can be divided in two parts, 6430 and 830, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 6430830 in words is "six million, four hundred thirty thousand, eight hundred thirty".