16283820 has 96 divisors (see below), whose sum is σ = 52674048. Its totient is φ = 3681792.

The previous prime is 16283803. The next prime is 16283821. The reversal of 16283820 is 2838261.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (16283821) 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 31 ways as a sum of consecutive naturals, for example, 57399 + ... + 57681.

It is an arithmetic number, because the mean of its divisors is an integer number (548688).

Almost surely, 2^16283820 is an apocalyptic number.

16283820 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 16283820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26337024).

16283820 is an abundant number, since it is smaller than the sum of its proper divisors (36390228).

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

16283820 is a wasteful number, since it uses less digits than its factorization.

16283820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 16283820 is about 4035.3215485262. The cubic root of 16283820 is about 253.4654474029.

The spelling of 16283820 in words is "sixteen million, two hundred eighty-three thousand, eight hundred twenty".