94443491 has 2 divisors, whose sum is σ = 94443492. Its totient is φ = 94443490.

The previous prime is 94443463. The next prime is 94443511. The reversal of 94443491 is 19434449.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19434449) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94443491 is a prime.

It is not a weakly prime, because it can be changed into another prime (94443991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47221745 + 47221746.

It is an arithmetic number, because the mean of its divisors is an integer number (47221746).

Almost surely, 2^94443491 is an apocalyptic number.

94443491 is a deficient number, since it is larger than the sum of its proper divisors (1).

94443491 is an equidigital number, since it uses as much as digits as its factorization.

94443491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 94443491 is about 9718.2041036397. The cubic root of 94443491 is about 455.3975368814.

The spelling of 94443491 in words is "ninety-four million, four hundred forty-three thousand, four hundred ninety-one".