448478 has 4 divisors (see below), whose sum is σ = 672720. Its totient is φ = 224238.

The previous prime is 448451. The next prime is 448519. The reversal of 448478 is 874844.

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

It is a super-2 number, since 2×448478² = 402265032968, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112118 + ... + 112121.

It is an arithmetic number, because the mean of its divisors is an integer number (168180).

2⁴⁴⁸⁴⁷⁸ is an apocalyptic number.

448478 is a deficient number, since it is larger than the sum of its proper divisors (224242).

448478 is a wasteful number, since it uses less digits than its factorization.

448478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224241.

The product of its digits is 28672, while the sum is 35.

The square root of 448478 is about 669.6850005786. The cubic root of 448478 is about 76.5444513613.

The spelling of 448478 in words is "four hundred forty-eight thousand, four hundred seventy-eight".