89727293 has 4 divisors (see below), whose sum is σ = 90956508. Its totient is φ = 88498080.

The previous prime is 89727269. The next prime is 89727389. The reversal of 89727293 is 39272798.

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 45995524 + 43731769 = 6782^2 + 6613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89727293 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 (89727203) 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 3 ways as a sum of consecutive naturals, for example, 614498 + ... + 614643.

It is an arithmetic number, because the mean of its divisors is an integer number (22739127).

Almost surely, 2^89727293 is an apocalyptic number.

It is an amenable number.

89727293 is a deficient number, since it is larger than the sum of its proper divisors (1229215).

89727293 is a wasteful number, since it uses less digits than its factorization.

89727293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229214.

The product of its digits is 381024, while the sum is 47.

The square root of 89727293 is about 9472.4491553135. The cubic root of 89727293 is about 447.6873832151.

The spelling of 89727293 in words is "eighty-nine million, seven hundred twenty-seven thousand, two hundred ninety-three".