8449469 has 16 divisors (see below), whose sum is σ = 10108800. Its totient is φ = 6909504.

The previous prime is 8449451. The next prime is 8449477. The reversal of 8449469 is 9649448.

It is a happy number.

It is not a de Polignac number, because 8449469 - 2²⁰ = 7400893 is a prime.

It is a super-2 number, since 2×8449469² = 142787052763922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449409) 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 15 ways as a sum of consecutive naturals, for example, 21527 + ... + 21915.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^8449469 is an apocalyptic number.

It is an amenable number.

8449469 is a deficient number, since it is larger than the sum of its proper divisors (1659331).

8449469 is a wasteful number, since it uses less digits than its factorization.

8449469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its digits is 248832, while the sum is 44.

The square root of 8449469 is about 2906.7970345382. The cubic root of 8449469 is about 203.6775390645.

The spelling of 8449469 in words is "eight million, four hundred forty-nine thousand, four hundred sixty-nine".