308297349 has 12 divisors (see below), whose sum is σ = 449728812. Its totient is φ = 203496000.

The previous prime is 308297309. The next prime is 308297371. The reversal of 308297349 is 943792803.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 299636100 + 8661249 = 17310^2 + 2943^2 .

It is not a de Polignac number, because 308297349 - 2¹⁷ = 308166277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308297309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168672 + ... + 170489.

It is an arithmetic number, because the mean of its divisors is an integer number (37477401).

Almost surely, 2^308297349 is an apocalyptic number.

It is an amenable number.

308297349 is a deficient number, since it is larger than the sum of its proper divisors (141431463).

308297349 is a wasteful number, since it uses less digits than its factorization.

308297349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339268 (or 339265 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 308297349 is about 17558.3982469928. The cubic root of 308297349 is about 675.5485976349.

The spelling of 308297349 in words is "three hundred eight million, two hundred ninety-seven thousand, three hundred forty-nine".