7840967 has 2 divisors, whose sum is σ = 7840968. Its totient is φ = 7840966.

The previous prime is 7840949. The next prime is 7840969. The reversal of 7840967 is 7690487.

7840967 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7840967 is a prime.

It is a super-2 number, since 2×7840967² = 122961526990178, which contains 22 as substring.

Together with 7840969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7840969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3920483 + 3920484.

It is an arithmetic number, because the mean of its divisors is an integer number (3920484).

Almost surely, 2^7840967 is an apocalyptic number.

7840967 is a deficient number, since it is larger than the sum of its proper divisors (1).

7840967 is an equidigital number, since it uses as much as digits as its factorization.

7840967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 7840967 is about 2800.1726732471. The cubic root of 7840967 is about 198.6658449410.

The spelling of 7840967 in words is "seven million, eight hundred forty thousand, nine hundred sixty-seven".