89897645 has 8 divisors (see below), whose sum is σ = 113555040. Its totient is φ = 68132880.

The previous prime is 89897629. The next prime is 89897657. The reversal of 89897645 is 54679898.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89897645 - 2⁴ = 89897629 is a prime.

It is a super-3 number, since 3×89897645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473051 + ... + 473240.

It is an arithmetic number, because the mean of its divisors is an integer number (14194380).

Almost surely, 2^89897645 is an apocalyptic number.

It is an amenable number.

89897645 is a deficient number, since it is larger than the sum of its proper divisors (23657395).

89897645 is a wasteful number, since it uses less digits than its factorization.

89897645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946315.

The product of its digits is 4354560, while the sum is 56.

The square root of 89897645 is about 9481.4368636826. The cubic root of 89897645 is about 447.9705234778.

The spelling of 89897645 in words is "eighty-nine million, eight hundred ninety-seven thousand, six hundred forty-five".