89940001 has 2 divisors, whose sum is σ = 89940002. Its totient is φ = 89940000.

The previous prime is 89939989. The next prime is 89940041. The reversal of 89940001 is 10004998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87909376 + 2030625 = 9376^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 89940001 - 2⁷ = 89939873 is a prime.

It is not a weakly prime, because it can be changed into another prime (89940041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44970000 + 44970001.

It is an arithmetic number, because the mean of its divisors is an integer number (44970001).

Almost surely, 2^89940001 is an apocalyptic number.

It is an amenable number.

89940001 is a deficient number, since it is larger than the sum of its proper divisors (1).

89940001 is an equidigital number, since it uses as much as digits as its factorization.

89940001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 89940001 is about 9483.6702283451. The cubic root of 89940001 is about 448.0408674055.

Adding to 89940001 its reverse (10004998), we get a palindrome (99944999).

It can be divided in two parts, 8994000 and 1, that added together give a square (8994001 = 2999²).

The spelling of 89940001 in words is "eighty-nine million, nine hundred forty thousand, one".