306723946 has 8 divisors (see below), whose sum is σ = 462909024. Its totient is φ = 152420940.

The previous prime is 306723943. The next prime is 306723959. The reversal of 306723946 is 649327603.

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

It is a junction number, because it is equal to n+sod(n) for n = 306723899 and 306723908.

It is not an unprimeable number, because it can be changed into a prime (306723943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470110 + ... + 470761.

It is an arithmetic number, because the mean of its divisors is an integer number (57863628).

Almost surely, 2^306723946 is an apocalyptic number.

306723946 is a deficient number, since it is larger than the sum of its proper divisors (156185078).

306723946 is a wasteful number, since it uses less digits than its factorization.

306723946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941036.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 306723946 is about 17513.5360792731. The cubic root of 306723946 is about 674.3974108192.

The spelling of 306723946 in words is "three hundred six million, seven hundred twenty-three thousand, nine hundred forty-six".