1993794802 has 24 divisors (see below), whose sum is σ = 3138521004. Its totient is φ = 949239072.

The previous prime is 1993794787. The next prime is 1993794809. The reversal of 1993794802 is 2084973991.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1777381281 + 216413521 = 42159^2 + 14711^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1993794802.

It is not an unprimeable number, because it can be changed into a prime (1993794809) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 157368 + ... + 169564.

Almost surely, 2^1993794802 is an apocalyptic number.

1993794802 is a deficient number, since it is larger than the sum of its proper divisors (1144726202).

1993794802 is a wasteful number, since it uses less digits than its factorization.

1993794802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12330 (or 12283 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 1993794802 is about 44651.9294319966. The cubic root of 1993794802 is about 1258.6166900650.

The spelling of 1993794802 in words is "one billion, nine hundred ninety-three million, seven hundred ninety-four thousand, eight hundred two".