307669 has 2 divisors, whose sum is σ = 307670. Its totient is φ = 307668.

The previous prime is 307651. The next prime is 307687. The reversal of 307669 is 966703.

It is a balanced prime because it is at equal distance from previous prime (307651) and next prime (307687).

It can be written as a sum of positive squares in only one way, i.e., 289444 + 18225 = 538^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 307669 - 2¹¹ = 305621 is a prime.

It is a super-2 number, since 2×307669² = 189320427122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 307669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153834 + 153835.

It is an arithmetic number, because the mean of its divisors is an integer number (153835).

2³⁰⁷⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

307669 is a deficient number, since it is larger than the sum of its proper divisors (1).

307669 is an equidigital number, since it uses as much as digits as its factorization.

307669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 307669 is about 554.6791865574. The cubic root of 307669 is about 67.5089334313.

The spelling of 307669 in words is "three hundred seven thousand, six hundred sixty-nine".