807943 has 2 divisors, whose sum is σ = 807944. Its totient is φ = 807942.

The previous prime is 807941. The next prime is 807949. The reversal of 807943 is 349708.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 807943 - 2¹ = 807941 is a prime.

It is a super-4 number, since 4×807943⁴ (a number of 25 digits) contains 4444 as substring.

Together with 807941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (807941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403971 + 403972.

It is an arithmetic number, because the mean of its divisors is an integer number (403972).

2⁸⁰⁷⁹⁴³ is an apocalyptic number.

807943 is a deficient number, since it is larger than the sum of its proper divisors (1).

807943 is an equidigital number, since it uses as much as digits as its factorization.

807943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 807943 is about 898.8564957767. The cubic root of 807943 is about 93.1379999268.

The spelling of 807943 in words is "eight hundred seven thousand, nine hundred forty-three".