1448199646 has 16 divisors (see below), whose sum is σ = 2386051200. Its totient is φ = 656163288.

The previous prime is 1448199637. The next prime is 1448199653. The reversal of 1448199646 is 6469918441.

It is a junction number, because it is equal to n+sod(n) for n = 1448199593 and 1448199602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827616 + ... + 829363.

It is an arithmetic number, because the mean of its divisors is an integer number (149128200).

Almost surely, 2^1448199646 is an apocalyptic number.

1448199646 is a deficient number, since it is larger than the sum of its proper divisors (937851554).

1448199646 is a wasteful number, since it uses less digits than its factorization.

1448199646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657023.

The product of its digits is 1492992, while the sum is 52.

The square root of 1448199646 is about 38055.2183806636. The cubic root of 1448199646 is about 1131.3825576237.

The spelling of 1448199646 in words is "one billion, four hundred forty-eight million, one hundred ninety-nine thousand, six hundred forty-six".