89609733 has 10 divisors (see below), whose sum is σ = 133861574. Its totient is φ = 59739768.

The previous prime is 89609717. The next prime is 89609743. The reversal of 89609733 is 33790698.

It is a happy number.

89609733 is a `hidden beast` number, since 8 + 9 + 609 + 7 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86434209 + 3175524 = 9297^2 + 1782^2 .

It is not a de Polignac number, because 89609733 - 2⁴ = 89609717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89609713) 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 9 ways as a sum of consecutive naturals, for example, 553066 + ... + 553227.

Almost surely, 2^89609733 is an apocalyptic number.

It is an amenable number.

89609733 is a deficient number, since it is larger than the sum of its proper divisors (44251841).

89609733 is a wasteful number, since it uses less digits than its factorization.

89609733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106305 (or 1106296 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 89609733 is about 9466.2417568959. The cubic root of 89609733 is about 447.4917789237.

The spelling of 89609733 in words is "eighty-nine million, six hundred nine thousand, seven hundred thirty-three".