89359643 has 16 divisors (see below), whose sum is σ = 96266880. Its totient is φ = 82782336.

The previous prime is 89359631. The next prime is 89359651. The reversal of 89359643 is 34695398.

It is a cyclic number.

It is not a de Polignac number, because 89359643 - 2¹⁴ = 89343259 is a prime.

It is a super-3 number, since 3×89359643³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89359343) 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 15 ways as a sum of consecutive naturals, for example, 71621 + ... + 72857.

It is an arithmetic number, because the mean of its divisors is an integer number (6016680).

Almost surely, 2^89359643 is an apocalyptic number.

89359643 is a deficient number, since it is larger than the sum of its proper divisors (6907237).

89359643 is a wasteful number, since it uses less digits than its factorization.

89359643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its digits is 699840, while the sum is 47.

The square root of 89359643 is about 9453.0229556476. The cubic root of 89359643 is about 447.0750924430.

The spelling of 89359643 in words is "eighty-nine million, three hundred fifty-nine thousand, six hundred forty-three".