2490216 has 64 divisors (see below), whose sum is σ = 6758400. Its totient is φ = 762048.

The previous prime is 2490209. The next prime is 2490221. The reversal of 2490216 is 6120942.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19545 + ... + 19671.

It is an arithmetic number, because the mean of its divisors is an integer number (105600).

2^2490216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2490216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3379200).

2490216 is an abundant number, since it is smaller than the sum of its proper divisors (4268184).

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

2490216 is a wasteful number, since it uses less digits than its factorization.

2490216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2490216 is about 1578.0418245408. The cubic root of 2490216 is about 135.5435969424.

The spelling of 2490216 in words is "two million, four hundred ninety thousand, two hundred sixteen".