89430641 has 4 divisors (see below), whose sum is σ = 89516784. Its totient is φ = 89344500.

The previous prime is 89430637. The next prime is 89430661. The reversal of 89430641 is 14603498.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89430641 - 2² = 89430637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89430611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41495 + ... + 43596.

It is an arithmetic number, because the mean of its divisors is an integer number (22379196).

Almost surely, 2^89430641 is an apocalyptic number.

It is an amenable number.

89430641 is a deficient number, since it is larger than the sum of its proper divisors (86143).

89430641 is a wasteful number, since it uses less digits than its factorization.

89430641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86142.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 89430641 is about 9456.7775166808. Note that the first 3 decimals coincide. The cubic root of 89430641 is about 447.1934644271.

The spelling of 89430641 in words is "eighty-nine million, four hundred thirty thousand, six hundred forty-one".