4239212 has 12 divisors (see below), whose sum is σ = 7576800. Its totient is φ = 2074416.

The previous prime is 4239211. The next prime is 4239229. The reversal of 4239212 is 2129324.

It is not an unprimeable number, because it can be changed into a prime (4239211) 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, 11087 + ... + 11462.

It is an arithmetic number, because the mean of its divisors is an integer number (631400).

Almost surely, 2^4239212 is an apocalyptic number.

It is an amenable number.

4239212 is a deficient number, since it is larger than the sum of its proper divisors (3337588).

4239212 is a wasteful number, since it uses less digits than its factorization.

4239212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22600 (or 22598 counting only the distinct ones).

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

The square root of 4239212 is about 2058.9346759914. The cubic root of 4239212 is about 161.8434193000.

It can be divided in two parts, 423 and 9212, that multiplied together give a square (3896676 = 1974²).

The spelling of 4239212 in words is "four million, two hundred thirty-nine thousand, two hundred twelve".