305934420 has 48 divisors (see below), whose sum is σ = 934492608. Its totient is φ = 74165760.

The previous prime is 305934401. The next prime is 305934451. The reversal of 305934420 is 24439503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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, 231109 + ... + 232428.

It is an arithmetic number, because the mean of its divisors is an integer number (19468596).

Almost surely, 2^305934420 is an apocalyptic number.

305934420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305934420 is an abundant number, since it is smaller than the sum of its proper divisors (628558188).

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

305934420 is a wasteful number, since it uses less digits than its factorization.

305934420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463560 (or 463558 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 305934420 is about 17490.9811045579. The cubic root of 305934420 is about 673.8182670342.

The spelling of 305934420 in words is "three hundred five million, nine hundred thirty-four thousand, four hundred twenty".