1994347 has 2 divisors, whose sum is σ = 1994348. Its totient is φ = 1994346.

The previous prime is 1994341. The next prime is 1994357. The reversal of 1994347 is 7434991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1994347 - 2³ = 1994339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1994341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997173 + 997174.

It is an arithmetic number, because the mean of its divisors is an integer number (997174).

2^1994347 is an apocalyptic number.

1994347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1994347 is an equidigital number, since it uses as much as digits as its factorization.

1994347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 1994347 is about 1412.2135107695. The cubic root of 1994347 is about 125.8732874115.

The spelling of 1994347 in words is "one million, nine hundred ninety-four thousand, three hundred forty-seven".