4280449 has 4 divisors (see below), whose sum is σ = 4418560. Its totient is φ = 4142340.

The previous prime is 4280417. The next prime is 4280459. The reversal of 4280449 is 9440824.

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 4280449 - 2⁵ = 4280417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 138079 = 4280449 / (4 + 2 + 8 + 0 + 4 + 4 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4280449.

It is not an unprimeable number, because it can be changed into a prime (4280459) 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, 69009 + ... + 69070.

It is an arithmetic number, because the mean of its divisors is an integer number (1104640).

Almost surely, 2^4280449 is an apocalyptic number.

It is an amenable number.

4280449 is a deficient number, since it is larger than the sum of its proper divisors (138111).

4280449 is a wasteful number, since it uses less digits than its factorization.

4280449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138110.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 4280449 is about 2068.9245998828. The cubic root of 4280449 is about 162.3665049585.

The spelling of 4280449 in words is "four million, two hundred eighty thousand, four hundred forty-nine".