94441621 has 2 divisors, whose sum is σ = 94441622. Its totient is φ = 94441620.

The previous prime is 94441597. The next prime is 94441639. The reversal of 94441621 is 12614449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56175025 + 38266596 = 7495^2 + 6186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94441621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94441691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47220810 + 47220811.

It is an arithmetic number, because the mean of its divisors is an integer number (47220811).

Almost surely, 2^94441621 is an apocalyptic number.

It is an amenable number.

94441621 is a deficient number, since it is larger than the sum of its proper divisors (1).

94441621 is an equidigital number, since it uses as much as digits as its factorization.

94441621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 94441621 is about 9718.1078919716. The cubic root of 94441621 is about 455.3945312075.

The spelling of 94441621 in words is "ninety-four million, four hundred forty-one thousand, six hundred twenty-one".