427449 has 8 divisors (see below), whose sum is σ = 621792. Its totient is φ = 259040.

The previous prime is 427447. The next prime is 427451. The reversal of 427449 is 944724.

It is an interprime number because it is at equal distance from previous prime (427447) and next prime (427451).

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 427449 - 2¹ = 427447 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6444 + ... + 6509.

It is an arithmetic number, because the mean of its divisors is an integer number (77724).

2⁴²⁷⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

427449 is a deficient number, since it is larger than the sum of its proper divisors (194343).

427449 is a wasteful number, since it uses less digits than its factorization.

427449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967.

The product of its digits is 8064, while the sum is 30.

The square root of 427449 is about 653.7958396931. The cubic root of 427449 is about 75.3288669570.

The spelling of 427449 in words is "four hundred twenty-seven thousand, four hundred forty-nine".