89903641 has 4 divisors (see below), whose sum is σ = 90009892. Its totient is φ = 89797392.

The previous prime is 89903629. The next prime is 89903663. The reversal of 89903641 is 14630998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14630998 = 2 ⋅7315499.

It can be written as a sum of positive squares in 2 ways, for example, as 11758041 + 78145600 = 3429^2 + 8840^2 .

It is a cyclic number.

It is not a de Polignac number, because 89903641 - 2⁹ = 89903129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89903594 and 89903603.

It is not an unprimeable number, because it can be changed into a prime (89903141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51846 + ... + 53551.

It is an arithmetic number, because the mean of its divisors is an integer number (22502473).

Almost surely, 2^89903641 is an apocalyptic number.

It is an amenable number.

89903641 is a deficient number, since it is larger than the sum of its proper divisors (106251).

89903641 is a wasteful number, since it uses less digits than its factorization.

89903641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106250.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 89903641 is about 9481.7530552108. The cubic root of 89903641 is about 447.9804828471.

The spelling of 89903641 in words is "eighty-nine million, nine hundred three thousand, six hundred forty-one".