7894043 has 2 divisors, whose sum is σ = 7894044. Its totient is φ = 7894042.

The previous prime is 7894039. The next prime is 7894087. The reversal of 7894043 is 3404987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7894043 - 2² = 7894039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7893994 and 7894012.

It is not a weakly prime, because it can be changed into another prime (7894093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3947021 + 3947022.

It is an arithmetic number, because the mean of its divisors is an integer number (3947022).

Almost surely, 2^7894043 is an apocalyptic number.

7894043 is a deficient number, since it is larger than the sum of its proper divisors (1).

7894043 is an equidigital number, since it uses as much as digits as its factorization.

7894043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 7894043 is about 2809.6339619246. The cubic root of 7894043 is about 199.1130978364.

The spelling of 7894043 in words is "seven million, eight hundred ninety-four thousand, forty-three".