2405216 has 24 divisors (see below), whose sum is σ = 5166504. Its totient is φ = 1093120.

The previous prime is 2405213. The next prime is 2405239. The reversal of 2405216 is 6125042.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3065 + ... + 3768.

It is an arithmetic number, because the mean of its divisors is an integer number (215271).

2^2405216 is an apocalyptic number.

It is an amenable number.

2405216 is an abundant number, since it is smaller than the sum of its proper divisors (2761288).

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

2405216 is a wasteful number, since it uses less digits than its factorization.

2405216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854 (or 6846 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2405216 is about 1550.8758815585. The cubic root of 2405216 is about 133.9835132311.

The spelling of 2405216 in words is "two million, four hundred five thousand, two hundred sixteen".