5478449 has 4 divisors (see below), whose sum is σ = 5528820. Its totient is φ = 5428080.

The previous prime is 5478433. The next prime is 5478457. The reversal of 5478449 is 9448745.

5478449 = 37² + 38² + ... + 254².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2380849 + 3097600 = 1543^2 + 1760^2 .

It is a cyclic number.

It is not a de Polignac number, because 5478449 - 2⁴ = 5478433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5474449) 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, 25022 + ... + 25239.

It is an arithmetic number, because the mean of its divisors is an integer number (1382205).

Almost surely, 2^5478449 is an apocalyptic number.

It is an amenable number.

5478449 is a deficient number, since it is larger than the sum of its proper divisors (50371).

5478449 is a wasteful number, since it uses less digits than its factorization.

5478449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50370.

The product of its digits is 161280, while the sum is 41.

The square root of 5478449 is about 2340.6086815185. The cubic root of 5478449 is about 176.2865618364.

The spelling of 5478449 in words is "five million, four hundred seventy-eight thousand, four hundred forty-nine".