4216240 has 40 divisors (see below), whose sum is σ = 11204640. Its totient is φ = 1445376.

The previous prime is 4216237. The next prime is 4216241. The reversal of 4216240 is 426124.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (4216241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3205 + ... + 4324.

It is an arithmetic number, because the mean of its divisors is an integer number (280116).

Almost surely, 2^4216240 is an apocalyptic number.

4216240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4216240 is an abundant number, since it is smaller than the sum of its proper divisors (6988400).

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

4216240 is a wasteful number, since it uses less digits than its factorization.

4216240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7549 (or 7543 counting only the distinct ones).

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

The square root of 4216240 is about 2053.3484847926. The cubic root of 4216240 is about 161.5505501739.

The spelling of 4216240 in words is "four million, two hundred sixteen thousand, two hundred forty".