8491469 has 8 divisors (see below), whose sum is σ = 9941568. Its totient is φ = 7100640.

The previous prime is 8491453. The next prime is 8491471. The reversal of 8491469 is 9641948.

8491469 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8491469 - 2⁴ = 8491453 is a prime.

It is a super-2 number, since 2×8491469² = 144210091555922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8491409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14507 + ... + 15080.

It is an arithmetic number, because the mean of its divisors is an integer number (1242696).

Almost surely, 2^8491469 is an apocalyptic number.

It is an amenable number.

8491469 is a deficient number, since it is larger than the sum of its proper divisors (1450099).

8491469 is a wasteful number, since it uses less digits than its factorization.

8491469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29635.

The product of its digits is 62208, while the sum is 41.

The square root of 8491469 is about 2914.0125257109. The cubic root of 8491469 is about 204.0144565559.

The spelling of 8491469 in words is "eight million, four hundred ninety-one thousand, four hundred sixty-nine".