4213242 has 64 divisors (see below), whose sum is σ = 10523520. Its totient is φ = 1238400.

The previous prime is 4213217. The next prime is 4213277. The reversal of 4213242 is 2423124.

4213242 is a `hidden beast` number, since 421 + 3 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24268 + ... + 24440.

It is an arithmetic number, because the mean of its divisors is an integer number (164430).

Almost surely, 2^4213242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4213242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5261760).

4213242 is an abundant number, since it is smaller than the sum of its proper divisors (6310278).

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

4213242 is a wasteful number, since it uses less digits than its factorization.

4213242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 230 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 4213242 is about 2052.6183278925. The cubic root of 4213242 is about 161.5122503783.

Adding to 4213242 its reverse (2423124), we get a palindrome (6636366).

It can be divided in two parts, 421 and 3242, that added together give a palindrome (3663).

The spelling of 4213242 in words is "four million, two hundred thirteen thousand, two hundred forty-two".