6653449 has 4 divisors (see below), whose sum is σ = 7258320. Its totient is φ = 6048580.

The previous prime is 6653429. The next prime is 6653467. The reversal of 6653449 is 9443566.

It is a happy number.

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 not a de Polignac number, because 6653449 - 2⁹ = 6652937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6653429) 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, 302419 + ... + 302440.

It is an arithmetic number, because the mean of its divisors is an integer number (1814580).

Almost surely, 2^6653449 is an apocalyptic number.

It is an amenable number.

6653449 is a deficient number, since it is larger than the sum of its proper divisors (604871).

6653449 is a wasteful number, since it uses less digits than its factorization.

6653449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604870.

The product of its digits is 77760, while the sum is 37.

The square root of 6653449 is about 2579.4280373757. The cubic root of 6653449 is about 188.0827404774.

It can be divided in two parts, 665 and 3449, that added together give a palindrome (4114).

The spelling of 6653449 in words is "six million, six hundred fifty-three thousand, four hundred forty-nine".