89708401 has 2 divisors, whose sum is σ = 89708402. Its totient is φ = 89708400.

The previous prime is 89708393. The next prime is 89708419. The reversal of 89708401 is 10480798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81000000 + 8708401 = 9000^2 + 2951^2 .

It is a cyclic number.

It is not a de Polignac number, because 89708401 - 2³ = 89708393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89708431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44854200 + 44854201.

It is an arithmetic number, because the mean of its divisors is an integer number (44854201).

Almost surely, 2^89708401 is an apocalyptic number.

It is an amenable number.

89708401 is a deficient number, since it is larger than the sum of its proper divisors (1).

89708401 is an equidigital number, since it uses as much as digits as its factorization.

89708401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 89708401 is about 9471.4518950370. The cubic root of 89708401 is about 447.6559609525.

It can be divided in two parts, 89708 and 401, that added together give a palindrome (90109).

The spelling of 89708401 in words is "eighty-nine million, seven hundred eight thousand, four hundred one".