16841240 has 64 divisors (see below), whose sum is σ = 41277600. Its totient is φ = 6147072.

The previous prime is 16841197. The next prime is 16841249. The reversal of 16841240 is 4214861.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16841249) 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, 72164 + ... + 72396.

Almost surely, 2^16841240 is an apocalyptic number.

16841240 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 16841240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20638800).

16841240 is an abundant number, since it is smaller than the sum of its proper divisors (24436360).

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

16841240 is a wasteful number, since it uses less digits than its factorization.

16841240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 16841240 is about 4103.8079877109. The cubic root of 16841240 is about 256.3252295480.

The spelling of 16841240 in words is "sixteen million, eight hundred forty-one thousand, two hundred forty".