89545649 has 8 divisors (see below), whose sum is σ = 92770920. Its totient is φ = 86329600.

The previous prime is 89545637. The next prime is 89545667. The reversal of 89545649 is 94654598.

It can be written as a sum of positive squares in 4 ways, for example, as 5914624 + 83631025 = 2432^2 + 9145^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 89545649 - 2⁴ = 89545633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89545597 and 89545606.

It is not an unprimeable number, because it can be changed into a prime (89545609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21929 + ... + 25689.

It is an arithmetic number, because the mean of its divisors is an integer number (11596365).

Almost surely, 2^89545649 is an apocalyptic number.

It is an amenable number.

89545649 is a deficient number, since it is larger than the sum of its proper divisors (3225271).

89545649 is a wasteful number, since it uses less digits than its factorization.

89545649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611.

The product of its digits is 1555200, while the sum is 50.

The square root of 89545649 is about 9462.8562812715. The cubic root of 89545649 is about 447.3850795693.

The spelling of 89545649 in words is "eighty-nine million, five hundred forty-five thousand, six hundred forty-nine".