305836420 has 24 divisors (see below), whose sum is σ = 651057624. Its totient is φ = 120658176.

The previous prime is 305836417. The next prime is 305836423. The reversal of 305836420 is 24638503.

305836420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (305836417) and next prime (305836423).

It can be written as a sum of positive squares in 4 ways, for example, as 47527236 + 258309184 = 6894^2 + 16072^2 .

It is not an unprimeable number, because it can be changed into a prime (305836423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103279 + ... + 106198.

It is an arithmetic number, because the mean of its divisors is an integer number (27127401).

Almost surely, 2^305836420 is an apocalyptic number.

It is an amenable number.

305836420 is an abundant number, since it is smaller than the sum of its proper divisors (345221204).

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

305836420 is a wasteful number, since it uses less digits than its factorization.

305836420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209559 (or 209557 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 305836420 is about 17488.1794364079. The cubic root of 305836420 is about 673.7463112619.

The spelling of 305836420 in words is "three hundred five million, eight hundred thirty-six thousand, four hundred twenty".