1993048776 has 96 divisors (see below), whose sum is σ = 5865350400. Its totient is φ = 609068160.

The previous prime is 1993048747. The next prime is 1993048789. The reversal of 1993048776 is 6778403991.

It is a happy number.

1993048776 is a `hidden beast` number, since 1 + 9 + 93 + 0 + 487 + 76 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18910 + ... + 65906.

It is an arithmetic number, because the mean of its divisors is an integer number (61097400).

Almost surely, 2^1993048776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1993048776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2932675200).

1993048776 is an abundant number, since it is smaller than the sum of its proper divisors (3872301624).

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

1993048776 is a wasteful number, since it uses less digits than its factorization.

1993048776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47059 (or 47052 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1993048776 is about 44643.5748568593. The cubic root of 1993048776 is about 1258.4596899716.

The spelling of 1993048776 in words is "one billion, nine hundred ninety-three million, forty-eight thousand, seven hundred seventy-six".