89609441 has 2 divisors, whose sum is σ = 89609442. Its totient is φ = 89609440.

The previous prime is 89609419. The next prime is 89609459. The reversal of 89609441 is 14490698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86564416 + 3045025 = 9304^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 89609441 - 2¹⁰ = 89608417 is a prime.

It is not a weakly prime, because it can be changed into another prime (89609411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44804720 + 44804721.

It is an arithmetic number, because the mean of its divisors is an integer number (44804721).

Almost surely, 2^89609441 is an apocalyptic number.

It is an amenable number.

89609441 is a deficient number, since it is larger than the sum of its proper divisors (1).

89609441 is an equidigital number, since it uses as much as digits as its factorization.

89609441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 89609441 is about 9466.2263336559. The cubic root of 89609441 is about 447.4912928614.

The spelling of 89609441 in words is "eighty-nine million, six hundred nine thousand, four hundred forty-one".