448691 has 4 divisors (see below), whose sum is σ = 452352. Its totient is φ = 445032.

The previous prime is 448687. The next prime is 448697. The reversal of 448691 is 196844.

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

It is a cyclic number.

It is not a de Polignac number, because 448691 - 2² = 448687 is a prime.

It is a super-2 number, since 2×448691² = 402647226962, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640 + ... + 1893.

It is an arithmetic number, because the mean of its divisors is an integer number (113088).

2⁴⁴⁸⁶⁹¹ is an apocalyptic number.

448691 is a deficient number, since it is larger than the sum of its proper divisors (3661).

448691 is a wasteful number, since it uses less digits than its factorization.

448691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660.

The product of its digits is 6912, while the sum is 32.

The square root of 448691 is about 669.8440116923. The cubic root of 448691 is about 76.5565674426.

The spelling of 448691 in words is "four hundred forty-eight thousand, six hundred ninety-one".