4216557 has 8 divisors (see below), whose sum is σ = 5774176. Its totient is φ = 2734992.

The previous prime is 4216523. The next prime is 4216573. The reversal of 4216557 is 7556124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4216557 - 2¹⁵ = 4183789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18883 + ... + 19104.

It is an arithmetic number, because the mean of its divisors is an integer number (721772).

Almost surely, 2^4216557 is an apocalyptic number.

It is an amenable number.

4216557 is a deficient number, since it is larger than the sum of its proper divisors (1557619).

4216557 is a wasteful number, since it uses less digits than its factorization.

4216557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38027.

The product of its digits is 8400, while the sum is 30.

The square root of 4216557 is about 2053.4256743306. The cubic root of 4216557 is about 161.5545988239.

The spelling of 4216557 in words is "four million, two hundred sixteen thousand, five hundred fifty-seven".