305280830 has 16 divisors (see below), whose sum is σ = 557246304. Its totient is φ = 120392160.

The previous prime is 305280823. The next prime is 305280841. The reversal of 305280830 is 38082503.

It is a junction number, because it is equal to n+sod(n) for n = 305280793 and 305280802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214277 + ... + 215696.

It is an arithmetic number, because the mean of its divisors is an integer number (34827894).

Almost surely, 2^305280830 is an apocalyptic number.

305280830 is a deficient number, since it is larger than the sum of its proper divisors (251965474).

305280830 is a wasteful number, since it uses less digits than its factorization.

305280830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430051.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 305280830 is about 17472.2874861879. The cubic root of 305280830 is about 673.3380825619.

The spelling of 305280830 in words is "three hundred five million, two hundred eighty thousand, eight hundred thirty".