4540216 has 8 divisors (see below), whose sum is σ = 8512920. Its totient is φ = 2270104.

The previous prime is 4540201. The next prime is 4540219. The reversal of 4540216 is 6120454.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4540216² = 41227122653312, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283756 + ... + 283771.

It is an arithmetic number, because the mean of its divisors is an integer number (1064115).

Almost surely, 2^4540216 is an apocalyptic number.

It is an amenable number.

4540216 is a deficient number, since it is larger than the sum of its proper divisors (3972704).

4540216 is a wasteful number, since it uses less digits than its factorization.

4540216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567533 (or 567529 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4540216 is about 2130.7782615749. The cubic root of 4540216 is about 165.5867205234.

The spelling of 4540216 in words is "four million, five hundred forty thousand, two hundred sixteen".