896597621 has 2 divisors, whose sum is σ = 896597622. Its totient is φ = 896597620.

The previous prime is 896597609. The next prime is 896597627. The reversal of 896597621 is 126795698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548215396 + 348382225 = 23414^2 + 18665^2 .

It is a cyclic number.

It is not a de Polignac number, because 896597621 - 2⁶ = 896597557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (896597627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448298810 + 448298811.

It is an arithmetic number, because the mean of its divisors is an integer number (448298811).

Almost surely, 2^896597621 is an apocalyptic number.

It is an amenable number.

896597621 is a deficient number, since it is larger than the sum of its proper divisors (1).

896597621 is an equidigital number, since it uses as much as digits as its factorization.

896597621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 53.

The square root of 896597621 is about 29943.2399883513. The cubic root of 896597621 is about 964.2711960743.

The spelling of 896597621 in words is "eight hundred ninety-six million, five hundred ninety-seven thousand, six hundred twenty-one".