89353729 has 4 divisors (see below), whose sum is σ = 90006084. Its totient is φ = 88701376.

The previous prime is 89353709. The next prime is 89353769. The reversal of 89353729 is 92735398.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29322225 + 60031504 = 5415^2 + 7748^2 .

It is a cyclic number.

It is not a de Polignac number, because 89353729 - 2⁹ = 89353217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89353709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325972 + ... + 326245.

It is an arithmetic number, because the mean of its divisors is an integer number (22501521).

Almost surely, 2^89353729 is an apocalyptic number.

It is an amenable number.

89353729 is a deficient number, since it is larger than the sum of its proper divisors (652355).

89353729 is a wasteful number, since it uses less digits than its factorization.

89353729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652354.

The product of its digits is 408240, while the sum is 46.

The square root of 89353729 is about 9452.7101404835. The cubic root of 89353729 is about 447.0652294507.

The spelling of 89353729 in words is "eighty-nine million, three hundred fifty-three thousand, seven hundred twenty-nine".