2416640 has 56 divisors (see below), whose sum is σ = 5897880. Its totient is φ = 950272.

The previous prime is 2416619. The next prime is 2416649. The reversal of 2416640 is 466142.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2416649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40931 + ... + 40989.

2^2416640 is an apocalyptic number.

2416640 is a gapful number since it is divisible by the number (20) 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 2416640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948940).

2416640 is an abundant number, since it is smaller than the sum of its proper divisors (3481240).

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

2416640 is an frugal number, since it uses more digits than its factorization.

2416640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2416640 is about 1554.5545985909. The cubic root of 2416640 is about 134.1953044244.

The spelling of 2416640 in words is "two million, four hundred sixteen thousand, six hundred forty".