94404481 has 2 divisors, whose sum is σ = 94404482. Its totient is φ = 94404480.

The previous prime is 94404469. The next prime is 94404487. The reversal of 94404481 is 18440449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48720400 + 45684081 = 6980^2 + 6759^2 .

It is a cyclic number.

It is not a de Polignac number, because 94404481 - 2¹¹ = 94402433 is a prime.

It is a super-2 number, since 2×94404481² = 17824412065758722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94404487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47202240 + 47202241.

It is an arithmetic number, because the mean of its divisors is an integer number (47202241).

Almost surely, 2^94404481 is an apocalyptic number.

It is an amenable number.

94404481 is a deficient number, since it is larger than the sum of its proper divisors (1).

94404481 is an equidigital number, since it uses as much as digits as its factorization.

94404481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 94404481 is about 9716.1968382696. The cubic root of 94404481 is about 455.3348274092.

It can be divided in two parts, 9440448 and 1, that added together give a palindrome (9440449).

The spelling of 94404481 in words is "ninety-four million, four hundred four thousand, four hundred eighty-one".