99994471 has 2 divisors, whose sum is σ = 99994472. Its totient is φ = 99994470.

The previous prime is 99994379. The next prime is 99994481. The reversal of 99994471 is 17449999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99994471 - 2¹³ = 99986279 is a prime.

It is a super-3 number, since 3×99994471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99994481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49997235 + 49997236.

It is an arithmetic number, because the mean of its divisors is an integer number (49997236).

Almost surely, 2^99994471 is an apocalyptic number.

99994471 is a deficient number, since it is larger than the sum of its proper divisors (1).

99994471 is an equidigital number, since it uses as much as digits as its factorization.

99994471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 52.

The square root of 99994471 is about 9999.7235461787. The cubic root of 99994471 is about 464.1503287554.

The spelling of 99994471 in words is "ninety-nine million, nine hundred ninety-four thousand, four hundred seventy-one".