306870426 has 48 divisors (see below), whose sum is σ = 700996608. Its totient is φ = 96876000.

The previous prime is 306870419. The next prime is 306870427. The reversal of 306870426 is 624078603.

It is not an unprimeable number, because it can be changed into a prime (306870427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20376 + ... + 32076.

It is an arithmetic number, because the mean of its divisors is an integer number (14604096).

Almost surely, 2^306870426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306870426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350498304).

306870426 is an abundant number, since it is smaller than the sum of its proper divisors (394126182).

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

306870426 is a wasteful number, since it uses less digits than its factorization.

306870426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11787 (or 11784 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 306870426 is about 17517.7174883031. The cubic root of 306870426 is about 674.5047494785.

The spelling of 306870426 in words is "three hundred six million, eight hundred seventy thousand, four hundred twenty-six".