1993973046 has 16 divisors (see below), whose sum is σ = 4294711344. Its totient is φ = 613530144.

The previous prime is 1993973011. The next prime is 1993973053. The reversal of 1993973046 is 6403793991.

It is a self number, because there is not a number n which added to its sum of digits gives 1993973046.

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 7 ways as a sum of consecutive naturals, for example, 12781801 + ... + 12781956.

It is an arithmetic number, because the mean of its divisors is an integer number (268419459).

Almost surely, 2^1993973046 is an apocalyptic number.

1993973046 is an abundant number, since it is smaller than the sum of its proper divisors (2300738298).

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

1993973046 is a wasteful number, since it uses less digits than its factorization.

1993973046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25563775.

The product of its (nonzero) digits is 1102248, while the sum is 51.

The square root of 1993973046 is about 44653.9253145790. The cubic root of 1993973046 is about 1258.6541954606.

The spelling of 1993973046 in words is "one billion, nine hundred ninety-three million, nine hundred seventy-three thousand, forty-six".