305667946 has 16 divisors (see below), whose sum is σ = 476087040. Its totient is φ = 147011760.

The previous prime is 305667911. The next prime is 305667959. The reversal of 305667946 is 649766503.

It is a junction number, because it is equal to n+sod(n) for n = 305667896 and 305667905.

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, 5995 + ... + 25441.

It is an arithmetic number, because the mean of its divisors is an integer number (29755440).

Almost surely, 2^305667946 is an apocalyptic number.

305667946 is a deficient number, since it is larger than the sum of its proper divisors (170419094).

305667946 is a wasteful number, since it uses less digits than its factorization.

305667946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19749.

The product of its (nonzero) digits is 816480, while the sum is 46.

The square root of 305667946 is about 17483.3619764621. The cubic root of 305667946 is about 673.6225745435.

The spelling of 305667946 in words is "three hundred five million, six hundred sixty-seven thousand, nine hundred forty-six".