8989693 has 4 divisors (see below), whose sum is σ = 9002268. Its totient is φ = 8977120.

The previous prime is 8989691. The next prime is 8989697. The reversal of 8989693 is 3969898.

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 1138489 + 7851204 = 1067^2 + 2802^2 .

It is a cyclic number.

It is not a de Polignac number, because 8989693 - 2¹ = 8989691 is a prime.

It is a Duffinian number.

8989693 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8989693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8989691) 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, 5146 + ... + 6667.

It is an arithmetic number, because the mean of its divisors is an integer number (2250567).

Almost surely, 2^8989693 is an apocalyptic number.

It is an amenable number.

8989693 is a deficient number, since it is larger than the sum of its proper divisors (12575).

8989693 is a wasteful number, since it uses less digits than its factorization.

8989693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12574.

The product of its digits is 839808, while the sum is 52.

The square root of 8989693 is about 2998.2816745596. The cubic root of 8989693 is about 207.9289466997.

The spelling of 8989693 in words is "eight million, nine hundred eighty-nine thousand, six hundred ninety-three".