4216420 has 24 divisors (see below), whose sum is σ = 9536184. Its totient is φ = 1556736.

The previous prime is 4216411. The next prime is 4216439. The reversal of 4216420 is 246124.

4216420 = 222² + 223² + ... + 286².

It can be written as a sum of positive squares in 4 ways, for example, as 343396 + 3873024 = 586^2 + 1968^2 .

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, 7849 + ... + 8368.

It is an arithmetic number, because the mean of its divisors is an integer number (397341).

Almost surely, 2^4216420 is an apocalyptic number.

It is an amenable number.

4216420 is an abundant number, since it is smaller than the sum of its proper divisors (5319764).

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

4216420 is a wasteful number, since it uses less digits than its factorization.

4216420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239 (or 16237 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4216420 is about 2053.3923151702. The cubic root of 4216420 is about 161.5528491168.

The spelling of 4216420 in words is "four million, two hundred sixteen thousand, four hundred twenty".