2499216 has 20 divisors (see below), whose sum is σ = 6456432. Its totient is φ = 833056.

The previous prime is 2499197. The next prime is 2499247. The reversal of 2499216 is 6129942.

It is a super-2 number, since 2×2499216² = 12492161229312, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25986 + ... + 26081.

2^2499216 is an apocalyptic number.

It is an amenable number.

2499216 is an abundant number, since it is smaller than the sum of its proper divisors (3957216).

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

2499216 is a wasteful number, since it uses less digits than its factorization.

2499216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52078 (or 52072 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 2499216 is about 1580.8908880755. The cubic root of 2499216 is about 135.7066919904.

The spelling of 2499216 in words is "two million, four hundred ninety-nine thousand, two hundred sixteen".