4239956 has 24 divisors (see below), whose sum is σ = 8541120. Its totient is φ = 1804032.

The previous prime is 4239931. The next prime is 4239971. The reversal of 4239956 is 6599324.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4100 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (355880).

Almost surely, 2^4239956 is an apocalyptic number.

It is an amenable number.

4239956 is an abundant number, since it is smaller than the sum of its proper divisors (4301164).

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

4239956 is a wasteful number, since it uses less digits than its factorization.

4239956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103 (or 1101 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 4239956 is about 2059.1153440252. The cubic root of 4239956 is about 161.8528868190.

The spelling of 4239956 in words is "four million, two hundred thirty-nine thousand, nine hundred fifty-six".