1993671354 has 8 divisors (see below), whose sum is σ = 3987342720. Its totient is φ = 664557116.

The previous prime is 1993671353. The next prime is 1993671377. The reversal of 1993671354 is 4531763991.

It is a sphenic number, since it is the product of 3 distinct primes.

1993671354 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1993671353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166139274 + ... + 166139285.

It is an arithmetic number, because the mean of its divisors is an integer number (498417840).

Almost surely, 2^1993671354 is an apocalyptic number.

1993671354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1993671354 is a wasteful number, since it uses less digits than its factorization.

1993671354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332278564.

The product of its digits is 612360, while the sum is 48.

The square root of 1993671354 is about 44650.5470739161. The cubic root of 1993671354 is about 1258.5907133163.

The spelling of 1993671354 in words is "one billion, nine hundred ninety-three million, six hundred seventy-one thousand, three hundred fifty-four".