307804969 has 2 divisors, whose sum is σ = 307804970. Its totient is φ = 307804968.

The previous prime is 307804967. The next prime is 307805023. The reversal of 307804969 is 969408703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199374400 + 108430569 = 14120^2 + 10413^2 .

It is a cyclic number.

It is not a de Polignac number, because 307804969 - 2¹ = 307804967 is a prime.

It is a super-2 number, since 2×307804969² = 189487797882181922, which contains 22 as substring.

Together with 307804967, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (307804967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153902484 + 153902485.

It is an arithmetic number, because the mean of its divisors is an integer number (153902485).

Almost surely, 2^307804969 is an apocalyptic number.

It is an amenable number.

307804969 is a deficient number, since it is larger than the sum of its proper divisors (1).

307804969 is an equidigital number, since it uses as much as digits as its factorization.

307804969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 307804969 is about 17544.3714335966. The cubic root of 307804969 is about 675.1887676898.

The spelling of 307804969 in words is "three hundred seven million, eight hundred four thousand, nine hundred sixty-nine".