306339412 has 12 divisors (see below), whose sum is σ = 554580180. Its totient is φ = 147887936.

The previous prime is 306339409. The next prime is 306339419. The reversal of 306339412 is 214933603.

It can be written as a sum of positive squares in 2 ways, for example, as 256128016 + 50211396 = 16004^2 + 7086^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306339419) 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, 1320313 + ... + 1320544.

It is an arithmetic number, because the mean of its divisors is an integer number (46215015).

Almost surely, 2^306339412 is an apocalyptic number.

It is an amenable number.

306339412 is a deficient number, since it is larger than the sum of its proper divisors (248240768).

306339412 is a wasteful number, since it uses less digits than its factorization.

306339412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640890 (or 2640888 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 306339412 is about 17502.5544421379. The cubic root of 306339412 is about 674.1154665446.

The spelling of 306339412 in words is "three hundred six million, three hundred thirty-nine thousand, four hundred twelve".