4239812 has 12 divisors (see below), whose sum is σ = 7810320. Its totient is φ = 2008296.

The previous prime is 4239811. The next prime is 4239821. The reversal of 4239812 is 2189324.

It is not an unprimeable number, because it can be changed into a prime (4239811) 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, 27818 + ... + 27969.

It is an arithmetic number, because the mean of its divisors is an integer number (650860).

Almost surely, 2^4239812 is an apocalyptic number.

It is an amenable number.

4239812 is a deficient number, since it is larger than the sum of its proper divisors (3570508).

4239812 is a wasteful number, since it uses less digits than its factorization.

4239812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55810 (or 55808 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 4239812 is about 2059.0803772558. The cubic root of 4239812 is about 161.8510544824.

The spelling of 4239812 in words is "four million, two hundred thirty-nine thousand, eight hundred twelve".