1993472 has 36 divisors (see below), whose sum is σ = 4292400. Its totient is φ = 918528.

The previous prime is 1993457. The next prime is 1993477. The reversal of 1993472 is 2743991.

It is a super-2 number, since 2×1993472² = 7947861229568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1993477) 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, 3029 + ... + 3627.

2^1993472 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 1993472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2146200).

1993472 is an abundant number, since it is smaller than the sum of its proper divisors (2298928).

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

1993472 is an equidigital number, since it uses as much as digits as its factorization.

1993472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 614 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 1993472 is about 1411.9036794343. The cubic root of 1993472 is about 125.8548761658.

The spelling of 1993472 in words is "one million, nine hundred ninety-three thousand, four hundred seventy-two".