1993888224 has 60 divisors (see below), whose sum is σ = 5863977504. Its totient is φ = 664628544.

The previous prime is 1993888223. The next prime is 1993888279. The reversal of 1993888224 is 4228883991.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993888223) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 382032 + ... + 387215.

Almost surely, 2^1993888224 is an apocalyptic number.

It is an amenable number.

1993888224 is an abundant number, since it is smaller than the sum of its proper divisors (3870089280).

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

1993888224 is an equidigital number, since it uses as much as digits as its factorization.

1993888224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769269 (or 769252 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 1993888224 is about 44652.9755335521. The cubic root of 1993888224 is about 1258.6363478305.

The spelling of 1993888224 in words is "one billion, nine hundred ninety-three million, eight hundred eighty-eight thousand, two hundred twenty-four".