1993284396 has 24 divisors (see below), whose sum is σ = 5167774640. Its totient is φ = 664428096.

The previous prime is 1993284383. The next prime is 1993284421. The reversal of 1993284396 is 6934823991.

1993284396 is a `hidden beast` number, since 199 + 328 + 43 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9228061 + ... + 9228276.

Almost surely, 2^1993284396 is an apocalyptic number.

It is an amenable number.

1993284396 is an abundant number, since it is smaller than the sum of its proper divisors (3174490244).

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

1993284396 is a wasteful number, since it uses less digits than its factorization.

1993284396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456350 (or 18456342 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 1993284396 is about 44646.2136804455. The cubic root of 1993284396 is about 1258.5092800923.

The spelling of 1993284396 in words is "one billion, nine hundred ninety-three million, two hundred eighty-four thousand, three hundred ninety-six".