306948274 has 4 divisors (see below), whose sum is σ = 460422414. Its totient is φ = 153474136.

The previous prime is 306948253. The next prime is 306948293. The reversal of 306948274 is 472849603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 296012025 + 10936249 = 17205^2 + 3307^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 306948274.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 76737067 + ... + 76737070.

Almost surely, 2^306948274 is an apocalyptic number.

306948274 is a deficient number, since it is larger than the sum of its proper divisors (153474140).

306948274 is a wasteful number, since it uses less digits than its factorization.

306948274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153474139.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 306948274 is about 17519.9393263790. The cubic root of 306948274 is about 674.5617815912.

The spelling of 306948274 in words is "three hundred six million, nine hundred forty-eight thousand, two hundred seventy-four".