1993799364 has 12 divisors (see below), whose sum is σ = 4652198544. Its totient is φ = 664599784.

The previous prime is 1993799347. The next prime is 1993799369. The reversal of 1993799364 is 4639973991.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1993799298 and 1993799307.

It is not an unprimeable number, because it can be changed into a prime (1993799369) 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 3 ways as a sum of consecutive naturals, for example, 83074962 + ... + 83074985.

It is an arithmetic number, because the mean of its divisors is an integer number (387683212).

Almost surely, 2^1993799364 is an apocalyptic number.

It is an amenable number.

1993799364 is an abundant number, since it is smaller than the sum of its proper divisors (2658399180).

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

1993799364 is a wasteful number, since it uses less digits than its factorization.

1993799364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166149954 (or 166149952 counting only the distinct ones).

The product of its digits is 9920232, while the sum is 60.

The square root of 1993799364 is about 44651.9805159861. The cubic root of 1993799364 is about 1258.6176500109.

The spelling of 1993799364 in words is "one billion, nine hundred ninety-three million, seven hundred ninety-nine thousand, three hundred sixty-four".