1993183274 has 4 divisors (see below), whose sum is σ = 2989774914. Its totient is φ = 996591636.

The previous prime is 1993183249. The next prime is 1993183319. The reversal of 1993183274 is 4723813991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1968253225 + 24930049 = 44365^2 + 4993^2 .

It is a super-3 number, since 3×1993183274³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498295817 + ... + 498295820.

Almost surely, 2^1993183274 is an apocalyptic number.

1993183274 is a deficient number, since it is larger than the sum of its proper divisors (996591640).

1993183274 is an equidigital number, since it uses as much as digits as its factorization.

1993183274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996591639.

The product of its digits is 326592, while the sum is 47.

The square root of 1993183274 is about 44645.0811848293. The cubic root of 1993183274 is about 1258.4879977759.

The spelling of 1993183274 in words is "one billion, nine hundred ninety-three million, one hundred eighty-three thousand, two hundred seventy-four".