448974021 has 8 divisors (see below), whose sum is σ = 614811424. Its totient is φ = 291226320.

The previous prime is 448973983. The next prime is 448974037. The reversal of 448974021 is 120479844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 448974021 - 2⁶ = 448973957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448974061) 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, 2022295 + ... + 2022516.

It is an arithmetic number, because the mean of its divisors is an integer number (76851428).

Almost surely, 2^448974021 is an apocalyptic number.

It is an amenable number.

448974021 is a deficient number, since it is larger than the sum of its proper divisors (165837403).

448974021 is a wasteful number, since it uses less digits than its factorization.

448974021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044851.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 448974021 is about 21189.0070791437. The cubic root of 448974021 is about 765.7266059816.

The spelling of 448974021 in words is "four hundred forty-eight million, nine hundred seventy-four thousand, twenty-one".