1993183248 has 80 divisors (see below), whose sum is σ = 5955618816. Its totient is φ = 562611840.

The previous prime is 1993183237. The next prime is 1993183249. The reversal of 1993183248 is 8423813991.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1993183197 and 1993183206.

It is not an unprimeable number, because it can be changed into a prime (1993183249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7848 + ... + 63623.

Almost surely, 2^1993183248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1993183248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2977809408).

1993183248 is an abundant number, since it is smaller than the sum of its proper divisors (3962435568).

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

1993183248 is a wasteful number, since it uses less digits than its factorization.

1993183248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71572 (or 71566 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 1993183248 is about 44645.0808936438. The cubic root of 1993183248 is about 1258.4879923038.

It can be divided in two parts, 199318 and 3248, that added together give a triangular number (202566 = T₆₃₆).

The spelling of 1993183248 in words is "one billion, nine hundred ninety-three million, one hundred eighty-three thousand, two hundred forty-eight".