89659945 has 8 divisors (see below), whose sum is σ = 110094336. Its totient is φ = 70059696.

The previous prime is 89659939. The next prime is 89659951. The reversal of 89659945 is 54995698.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89659939) and next prime (89659951).

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 89659945 - 2⁹ = 89659433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 208297 + ... + 208726.

It is an arithmetic number, because the mean of its divisors is an integer number (13761792).

Almost surely, 2^89659945 is an apocalyptic number.

It is an amenable number.

89659945 is a deficient number, since it is larger than the sum of its proper divisors (20434391).

89659945 is a wasteful number, since it uses less digits than its factorization.

89659945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417071.

The product of its digits is 3499200, while the sum is 55.

The square root of 89659945 is about 9468.8935467667. The cubic root of 89659945 is about 447.5753459683.

The spelling of 89659945 in words is "eighty-nine million, six hundred fifty-nine thousand, nine hundred forty-five".