305485834 has 32 divisors (see below), whose sum is σ = 481178880. Its totient is φ = 145324800.

The previous prime is 305485823. The next prime is 305485837. The reversal of 305485834 is 438584503.

It is not an unprimeable number, because it can be changed into a prime (305485837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127119 + ... + 1127389.

It is an arithmetic number, because the mean of its divisors is an integer number (15036840).

Almost surely, 2^305485834 is an apocalyptic number.

305485834 is a deficient number, since it is larger than the sum of its proper divisors (175693046).

305485834 is a wasteful number, since it uses less digits than its factorization.

305485834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 305485834 is about 17478.1530488779. The cubic root of 305485834 is about 673.4887701690.

It can be divided in two parts, 3054 and 85834, that added together give a palindrome (88888).

The spelling of 305485834 in words is "three hundred five million, four hundred eighty-five thousand, eight hundred thirty-four".