89835649 has 4 divisors (see below), whose sum is σ = 92933460. Its totient is φ = 86737840.

The previous prime is 89835637. The next prime is 89835653. The reversal of 89835649 is 94653898.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94653898 = 2 ⋅47326949.

It can be written as a sum of positive squares in 2 ways, for example, as 14493249 + 75342400 = 3807^2 + 8680^2 .

It is not a de Polignac number, because 89835649 - 2⁷ = 89835521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89835596 and 89835605.

It is not an unprimeable number, because it can be changed into a prime (89835619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548862 + ... + 1548919.

It is an arithmetic number, because the mean of its divisors is an integer number (23233365).

Almost surely, 2^89835649 is an apocalyptic number.

It is an amenable number.

89835649 is a deficient number, since it is larger than the sum of its proper divisors (3097811).

89835649 is a wasteful number, since it uses less digits than its factorization.

89835649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097810.

The product of its digits is 1866240, while the sum is 52.

The square root of 89835649 is about 9478.1669641339. The cubic root of 89835649 is about 447.8675220135.

The spelling of 89835649 in words is "eighty-nine million, eight hundred thirty-five thousand, six hundred forty-nine".