1994444246 has 16 divisors (see below), whose sum is σ = 3007903680. Its totient is φ = 991819080.

The previous prime is 1994444171. The next prime is 1994444329. The reversal of 1994444246 is 6424444991.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1994444246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660881 + ... + 663891.

It is an arithmetic number, because the mean of its divisors is an integer number (187993980).

Almost surely, 2^1994444246 is an apocalyptic number.

1994444246 is a deficient number, since it is larger than the sum of its proper divisors (1013459434).

1994444246 is a wasteful number, since it uses less digits than its factorization.

1994444246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699.

The product of its digits is 995328, while the sum is 47.

The square root of 1994444246 is about 44659.2011348166. The cubic root of 1994444246 is about 1258.7533327328.

The spelling of 1994444246 in words is "one billion, nine hundred ninety-four million, four hundred forty-four thousand, two hundred forty-six".