264390306 has 8 divisors (see below), whose sum is σ = 528780624. Its totient is φ = 88130100.

The previous prime is 264390299. The next prime is 264390311. The reversal of 264390306 is 603093462.

264390306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

264390306 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22032520 + ... + 22032531.

It is an arithmetic number, because the mean of its divisors is an integer number (66097578).

Almost surely, 2^264390306 is an apocalyptic number.

264390306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

264390306 is a wasteful number, since it uses less digits than its factorization.

264390306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44065056.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 264390306 is about 16260.0832101192. The cubic root of 264390306 is about 641.8228517166.

The spelling of 264390306 in words is "two hundred sixty-four million, three hundred ninety thousand, three hundred six".