16234240 has 72 divisors (see below), whose sum is σ = 42457968. Its totient is φ = 5898240.

The previous prime is 16234217. The next prime is 16234259. The reversal of 16234240 is 4243261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13504 + ... + 14656.

It is an arithmetic number, because the mean of its divisors is an integer number (589694).

Almost surely, 2^16234240 is an apocalyptic number.

16234240 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 16234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21228984).

16234240 is an abundant number, since it is smaller than the sum of its proper divisors (26223728).

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

16234240 is a wasteful number, since it uses less digits than its factorization.

16234240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 16234240 is about 4029.1736125414. The cubic root of 16234240 is about 253.2079404065.

It can be divided in two parts, 16 and 234240, that added together give a 4-th power (234256 = 22⁴).

The spelling of 16234240 in words is "sixteen million, two hundred thirty-four thousand, two hundred forty".