306905466 has 16 divisors (see below), whose sum is σ = 701498304. Its totient is φ = 87687264.

The previous prime is 306905449. The next prime is 306905497. The reversal of 306905466 is 664509603.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3653595 + ... + 3653678.

It is an arithmetic number, because the mean of its divisors is an integer number (43843644).

Almost surely, 2^306905466 is an apocalyptic number.

306905466 is an abundant number, since it is smaller than the sum of its proper divisors (394592838).

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

306905466 is a wasteful number, since it uses less digits than its factorization.

306905466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307285.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 306905466 is about 17518.7175900521. The cubic root of 306905466 is about 674.5304212767.

The spelling of 306905466 in words is "three hundred six million, nine hundred five thousand, four hundred sixty-six".