307841 has 4 divisors (see below), whose sum is σ = 312132. Its totient is φ = 303552.

The previous prime is 307831. The next prime is 307843. The reversal of 307841 is 148703.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 148703 = 37 ⋅4019.

It can be written as a sum of positive squares in 2 ways, for example, as 229441 + 78400 = 479^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 307841 - 2¹⁴ = 291457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307843) 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 in 3 ways as a sum of consecutive naturals, for example, 2036 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (78033).

2³⁰⁷⁸⁴¹ is an apocalyptic number.

It is an amenable number.

307841 is a deficient number, since it is larger than the sum of its proper divisors (4291).

307841 is an equidigital number, since it uses as much as digits as its factorization.

307841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 307841 is about 554.8342094716. The cubic root of 307841 is about 67.5215112053.

The spelling of 307841 in words is "three hundred seven thousand, eight hundred forty-one".