16243000 has 64 divisors (see below), whose sum is σ = 39124800. Its totient is φ = 6307200.

The previous prime is 16242983. The next prime is 16243009. The reversal of 16243000 is 34261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16243009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36781 + ... + 37219.

It is an arithmetic number, because the mean of its divisors is an integer number (611325).

Almost surely, 2^16243000 is an apocalyptic number.

16243000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19562400).

16243000 is an abundant number, since it is smaller than the sum of its proper divisors (22881800).

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

16243000 is a wasteful number, since it uses less digits than its factorization.

16243000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 16243000 is about 4030.2605374839. The cubic root of 16243000 is about 253.2534759067.

Adding to 16243000 its reverse (34261), we get a palindrome (16277261).

It can be divided in two parts, 1624 and 3000, that added together give a square (4624 = 68²).

The spelling of 16243000 in words is "sixteen million, two hundred forty-three thousand".