4216890 has 64 divisors (see below), whose sum is σ = 10834560. Its totient is φ = 1048320.

The previous prime is 4216871. The next prime is 4216897. The reversal of 4216890 is 986124.

It is a super-2 number, since 2×4216890² = 35564322544200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4216897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32125 + ... + 32255.

It is an arithmetic number, because the mean of its divisors is an integer number (169290).

Almost surely, 2^4216890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4216890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5417280).

4216890 is an abundant number, since it is smaller than the sum of its proper divisors (6617670).

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

4216890 is a wasteful number, since it uses less digits than its factorization.

4216890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 4216890 is about 2053.5067567456. The cubic root of 4216890 is about 161.5588516037.

The spelling of 4216890 in words is "four million, two hundred sixteen thousand, eight hundred ninety".