16842280 has 96 divisors (see below), whose sum is σ = 47544840. Its totient is φ = 5322240.

The previous prime is 16842253. The next prime is 16842281. The reversal of 16842280 is 8224861.

It can be written as a sum of positive squares in 4 ways, for example, as 12945604 + 3896676 = 3598^2 + 1974^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16842281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25150 + ... + 25810.

Almost surely, 2^16842280 is an apocalyptic number.

16842280 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 16842280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23772420).

16842280 is an abundant number, since it is smaller than the sum of its proper divisors (30702560).

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

16842280 is a wasteful number, since it uses less digits than its factorization.

16842280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 16842280 is about 4103.9346973362. The cubic root of 16842280 is about 256.3305057381.

The spelling of 16842280 in words is "sixteen million, eight hundred forty-two thousand, two hundred eighty".