4216590 has 128 divisors (see below), whose sum is σ = 13547520. Its totient is φ = 912384.

The previous prime is 4216579. The next prime is 4216591. The reversal of 4216590 is 956124.

4216590 is a `hidden beast` number, since 4 + 2 + 1 + 659 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216591) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43422 + ... + 43518.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

Almost surely, 2^4216590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4216590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6773760).

4216590 is an abundant number, since it is smaller than the sum of its proper divisors (9330930).

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

4216590 is a wasteful number, since it uses less digits than its factorization.

4216590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 4216590 is about 2053.4337096678. The cubic root of 4216590 is about 161.5550202806. Note that the first 3 decimals are identical.

The spelling of 4216590 in words is "four million, two hundred sixteen thousand, five hundred ninety".