4090216 has 32 divisors (see below), whose sum is σ = 8396640. Its totient is φ = 1856448.

The previous prime is 4090193. The next prime is 4090223. The reversal of 4090216 is 6120904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6675 + ... + 7261.

It is an arithmetic number, because the mean of its divisors is an integer number (262395).

Almost surely, 2^4090216 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 4090216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4198320).

4090216 is an abundant number, since it is smaller than the sum of its proper divisors (4306424).

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

4090216 is a wasteful number, since it uses less digits than its factorization.

4090216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4090216 is about 2022.4282434737. The cubic root of 4090216 is about 159.9246520223.

The spelling of 4090216 in words is "four million, ninety thousand, two hundred sixteen".