306669894 has 32 divisors (see below), whose sum is σ = 635209344. Its totient is φ = 98636160.

The previous prime is 306669893. The next prime is 306669901. The reversal of 306669894 is 498966603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306669893) 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 15 ways as a sum of consecutive naturals, for example, 14254 + ... + 28574.

It is an arithmetic number, because the mean of its divisors is an integer number (19850292).

Almost surely, 2^306669894 is an apocalyptic number.

306669894 is an abundant number, since it is smaller than the sum of its proper divisors (328539450).

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

306669894 is a wasteful number, since it uses less digits than its factorization.

306669894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14452.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The square root of 306669894 is about 17511.9928620360. The cubic root of 306669894 is about 674.3577935773.

The spelling of 306669894 in words is "three hundred six million, six hundred sixty-nine thousand, eight hundred ninety-four".