7994447 has 2 divisors, whose sum is σ = 7994448. Its totient is φ = 7994446.

The previous prime is 7994443. The next prime is 7994461. The reversal of 7994447 is 7444997.

7994447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7994447 - 2² = 7994443 is a prime.

It is a super-2 number, since 2×7994447² = 127822365671618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7994398 and 7994407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7994443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3997223 + 3997224.

It is an arithmetic number, because the mean of its divisors is an integer number (3997224).

Almost surely, 2^7994447 is an apocalyptic number.

7994447 is a deficient number, since it is larger than the sum of its proper divisors (1).

7994447 is an equidigital number, since it uses as much as digits as its factorization.

7994447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 7994447 is about 2827.4453133527. The cubic root of 7994447 is about 199.9537142890.

The spelling of 7994447 in words is "seven million, nine hundred ninety-four thousand, four hundred forty-seven".