8944591 has 2 divisors, whose sum is σ = 8944592. Its totient is φ = 8944590.

The previous prime is 8944583. The next prime is 8944597. The reversal of 8944591 is 1954498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8944591 - 2³ = 8944583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8944597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4472295 + 4472296.

It is an arithmetic number, because the mean of its divisors is an integer number (4472296).

Almost surely, 2^8944591 is an apocalyptic number.

8944591 is a deficient number, since it is larger than the sum of its proper divisors (1).

8944591 is an equidigital number, since it uses as much as digits as its factorization.

8944591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 8944591 is about 2990.7509090528. The cubic root of 8944591 is about 207.5806315562.

The spelling of 8944591 in words is "eight million, nine hundred forty-four thousand, five hundred ninety-one".