4239434 has 4 divisors (see below), whose sum is σ = 6359154. Its totient is φ = 2119716.

The previous prime is 4239419. The next prime is 4239449. The reversal of 4239434 is 4349324.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4239419) and next prime (4239449).

It can be written as a sum of positive squares in only one way, i.e., 3940225 + 299209 = 1985^2 + 547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4239397 and 4239406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059857 + ... + 1059860.

Almost surely, 2^4239434 is an apocalyptic number.

4239434 is a deficient number, since it is larger than the sum of its proper divisors (2119720).

4239434 is a wasteful number, since it uses less digits than its factorization.

4239434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119719.

The product of its digits is 10368, while the sum is 29.

The square root of 4239434 is about 2058.9885866609. The cubic root of 4239434 is about 161.8462444014.

The spelling of 4239434 in words is "four million, two hundred thirty-nine thousand, four hundred thirty-four".