1673944446 has 32 divisors (see below), whose sum is σ = 3370779648. Its totient is φ = 554178240.

The previous prime is 1673944427. The next prime is 1673944469. The reversal of 1673944446 is 6444493761.

It is a junction number, because it is equal to n+sod(n) for n = 1673944395 and 1673944404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780051 + ... + 782193.

It is an arithmetic number, because the mean of its divisors is an integer number (105336864).

Almost surely, 2^1673944446 is an apocalyptic number.

1673944446 is an abundant number, since it is smaller than the sum of its proper divisors (1696835202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1673944446 is a wasteful number, since it uses less digits than its factorization.

1673944446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976.

The product of its digits is 1741824, while the sum is 48.

The square root of 1673944446 is about 40913.8661825059. The cubic root of 1673944446 is about 1187.3543479494.

The spelling of 1673944446 in words is "one billion, six hundred seventy-three million, nine hundred forty-four thousand, four hundred forty-six".