28467449 has 8 divisors (see below), whose sum is σ = 28853760. Its totient is φ = 28083456.

The previous prime is 28467437. The next prime is 28467497. The reversal of 28467449 is 94476482.

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 28467449 - 2⁴ = 28467433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28467349) 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 7 ways as a sum of consecutive naturals, for example, 49049 + ... + 49625.

It is an arithmetic number, because the mean of its divisors is an integer number (3606720).

Almost surely, 2^28467449 is an apocalyptic number.

It is an amenable number.

28467449 is a deficient number, since it is larger than the sum of its proper divisors (386311).

28467449 is a wasteful number, since it uses less digits than its factorization.

28467449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159.

The product of its digits is 387072, while the sum is 44.

The square root of 28467449 is about 5335.4895745377. The cubic root of 28467449 is about 305.3394018052.

The spelling of 28467449 in words is "twenty-eight million, four hundred sixty-seven thousand, four hundred forty-nine".