89433601 has 2 divisors, whose sum is σ = 89433602. Its totient is φ = 89433600.

The previous prime is 89433599. The next prime is 89433629. The reversal of 89433601 is 10633498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76300225 + 13133376 = 8735^2 + 3624^2 .

It is a cyclic number.

It is not a de Polignac number, because 89433601 - 2¹ = 89433599 is a prime.

Together with 89433599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (89433671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44716800 + 44716801.

It is an arithmetic number, because the mean of its divisors is an integer number (44716801).

Almost surely, 2^89433601 is an apocalyptic number.

It is an amenable number.

89433601 is a deficient number, since it is larger than the sum of its proper divisors (1).

89433601 is an equidigital number, since it uses as much as digits as its factorization.

89433601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 89433601 is about 9456.9340169000. The cubic root of 89433601 is about 447.1983981502.

It can be divided in two parts, 8943 and 3601, that added together give a square (12544 = 112²).

The spelling of 89433601 in words is "eighty-nine million, four hundred thirty-three thousand, six hundred one".