89001649 has 4 divisors (see below), whose sum is σ = 97092720. Its totient is φ = 80910580.

The previous prime is 89001629. The next prime is 89001659. The reversal of 89001649 is 94610098.

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 89001649 - 2¹⁵ = 88968881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89001629) 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, 4045519 + ... + 4045540.

It is an arithmetic number, because the mean of its divisors is an integer number (24273180).

Almost surely, 2^89001649 is an apocalyptic number.

It is an amenable number.

89001649 is a deficient number, since it is larger than the sum of its proper divisors (8091071).

89001649 is a wasteful number, since it uses less digits than its factorization.

89001649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091070.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 89001649 is about 9434.0685284770. The cubic root of 89001649 is about 446.4772669814.

The spelling of 89001649 in words is "eighty-nine million, one thousand, six hundred forty-nine".