455447 has 8 divisors (see below), whose sum is σ = 490176. Its totient is φ = 421632.

The previous prime is 455443. The next prime is 455461. The reversal of 455447 is 744554.

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 455447 - 2² = 455443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455443) 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, 1058 + ... + 1424.

It is an arithmetic number, because the mean of its divisors is an integer number (61272).

2⁴⁵⁵⁴⁴⁷ is an apocalyptic number.

455447 is a deficient number, since it is larger than the sum of its proper divisors (34729).

455447 is a wasteful number, since it uses less digits than its factorization.

455447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its digits is 11200, while the sum is 29.

The square root of 455447 is about 674.8681352679. The cubic root of 455447 is about 76.9388956955.

The spelling of 455447 in words is "four hundred fifty-five thousand, four hundred forty-seven".