1994471 has 2 divisors, whose sum is σ = 1994472. Its totient is φ = 1994470.

The previous prime is 1994467. The next prime is 1994477. The reversal of 1994471 is 1744991.

It is a weak prime.

It is an emirp because it is prime and its reverse (1744991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1994471 - 2² = 1994467 is a prime.

It is a super-3 number, since 3×1994471³ = 23801505750076047333, which contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1994477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997235 + 997236.

It is an arithmetic number, because the mean of its divisors is an integer number (997236).

2^1994471 is an apocalyptic number.

1994471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1994471 is an equidigital number, since it uses as much as digits as its factorization.

1994471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 1994471 is about 1412.2574127970. The cubic root of 1994471 is about 125.8758961124.

The spelling of 1994471 in words is "one million, nine hundred ninety-four thousand, four hundred seventy-one".