2403216 has 40 divisors (see below), whose sum is σ = 6899360. Its totient is φ = 800928.

The previous prime is 2403211. The next prime is 2403229. The reversal of 2403216 is 6123042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2403211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350 + ... + 3213.

It is an arithmetic number, because the mean of its divisors is an integer number (172484).

2^2403216 is an apocalyptic number.

It is an amenable number.

2403216 is an abundant number, since it is smaller than the sum of its proper divisors (4496144).

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

2403216 is a wasteful number, since it uses less digits than its factorization.

2403216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580 (or 5568 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2403216 is about 1550.2309505361. The cubic root of 2403216 is about 133.9463660013.

Adding to 2403216 its reverse (6123042), we get a palindrome (8526258).

The spelling of 2403216 in words is "two million, four hundred three thousand, two hundred sixteen".