4218632 has 16 divisors (see below), whose sum is σ = 8629200. Its totient is φ = 1917520.

The previous prime is 4218631. The next prime is 4218667. The reversal of 4218632 is 2368124.

It is a d-powerful number, because it can be written as 4⁶ + 2²¹ + 1 + 8³ + 6² + 3⁹ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (4218631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23882 + ... + 24057.

It is an arithmetic number, because the mean of its divisors is an integer number (539325).

Almost surely, 2^4218632 is an apocalyptic number.

It is an amenable number.

4218632 is an abundant number, since it is smaller than the sum of its proper divisors (4410568).

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

4218632 is a wasteful number, since it uses less digits than its factorization.

4218632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47956 (or 47952 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 4218632 is about 2053.9308654383. The cubic root of 4218632 is about 161.5810952299.

The spelling of 4218632 in words is "four million, two hundred eighteen thousand, six hundred thirty-two".