1993957704 has 48 divisors (see below), whose sum is σ = 5515211520. Its totient is φ = 650509920.

The previous prime is 1993957673. The next prime is 1993957711. The reversal of 1993957704 is 4077593991.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291232 + ... + 297999.

It is an arithmetic number, because the mean of its divisors is an integer number (114900240).

Almost surely, 2^1993957704 is an apocalyptic number.

It is an amenable number.

1993957704 is an abundant number, since it is smaller than the sum of its proper divisors (3521253816).

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

1993957704 is a wasteful number, since it uses less digits than its factorization.

1993957704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589290 (or 589283 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The square root of 1993957704 is about 44653.7535264394. The cubic root of 1993957704 is about 1258.6509673457.

The spelling of 1993957704 in words is "one billion, nine hundred ninety-three million, nine hundred fifty-seven thousand, seven hundred four".