8891369 has 4 divisors (see below), whose sum is σ = 9024144. Its totient is φ = 8758596.

The previous prime is 8891347. The next prime is 8891387. The reversal of 8891369 is 9631988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8891369 is a prime.

It is a super-2 number, since 2×8891369² = 158112885388322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8891339) 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, 66287 + ... + 66420.

It is an arithmetic number, because the mean of its divisors is an integer number (2256036).

Almost surely, 2^8891369 is an apocalyptic number.

It is an amenable number.

8891369 is a deficient number, since it is larger than the sum of its proper divisors (132775).

8891369 is a wasteful number, since it uses less digits than its factorization.

8891369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132774.

The product of its digits is 93312, while the sum is 44.

The square root of 8891369 is about 2981.8398682693. The cubic root of 8891369 is about 207.1680976434.

The spelling of 8891369 in words is "eight million, eight hundred ninety-one thousand, three hundred sixty-nine".