4216631 has 4 divisors (see below), whose sum is σ = 4330632. Its totient is φ = 4102632.

The previous prime is 4216607. The next prime is 4216633. The reversal of 4216631 is 1366124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4216631 - 2¹⁴ = 4200247 is a prime.

It is a super-2 number, since 2×4216631² = 35559953980322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4216597 and 4216606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216633) 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 3 ways as a sum of consecutive naturals, for example, 56945 + ... + 57018.

It is an arithmetic number, because the mean of its divisors is an integer number (1082658).

Almost surely, 2^4216631 is an apocalyptic number.

4216631 is a deficient number, since it is larger than the sum of its proper divisors (114001).

4216631 is a wasteful number, since it uses less digits than its factorization.

4216631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114000.

The product of its digits is 864, while the sum is 23.

The square root of 4216631 is about 2053.4436929217. The cubic root of 4216631 is about 161.5555439055. Note that the first 4 decimals are identical.

The spelling of 4216631 in words is "four million, two hundred sixteen thousand, six hundred thirty-one".