306243704 has 32 divisors (see below), whose sum is σ = 622503840. Its totient is φ = 140400000.

The previous prime is 306243697. The next prime is 306243727. The reversal of 306243704 is 407342603.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 5954 + ... + 25454.

It is an arithmetic number, because the mean of its divisors is an integer number (19453245).

Almost surely, 2^306243704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306243704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311251920).

306243704 is an abundant number, since it is smaller than the sum of its proper divisors (316260136).

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

306243704 is a wasteful number, since it uses less digits than its factorization.

306243704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19671 (or 19667 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 306243704 is about 17499.8201133612. The cubic root of 306243704 is about 674.0452557907.

The spelling of 306243704 in words is "three hundred six million, two hundred forty-three thousand, seven hundred four".