307969 has 2 divisors, whose sum is σ = 307970. Its totient is φ = 307968.

The previous prime is 307939. The next prime is 308003. The reversal of 307969 is 969703.

It is an a-pointer prime, because the next prime (308003) can be obtained adding 307969 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288369 + 19600 = 537^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 307969 - 2¹³ = 299777 is a prime.

It is a super-2 number, since 2×307969² = 189689809922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (307919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153984 + 153985.

It is an arithmetic number, because the mean of its divisors is an integer number (153985).

2³⁰⁷⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

307969 is a deficient number, since it is larger than the sum of its proper divisors (1).

307969 is an equidigital number, since it uses as much as digits as its factorization.

307969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 307969 is about 554.9495472563. The cubic root of 307969 is about 67.5308683689.

The spelling of 307969 in words is "three hundred seven thousand, nine hundred sixty-nine".