3238739 has 4 divisors (see below), whose sum is σ = 3701424. Its totient is φ = 2776056.

The previous prime is 3238727. The next prime is 3238751. The reversal of 3238739 is 9378323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9378323 = 61 ⋅153743.

It is an interprime number because it is at equal distance from previous prime (3238727) and next prime (3238751).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3238739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3238699 and 3238708.

It is not an unprimeable number, because it can be changed into a prime (3238769) 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, 231332 + ... + 231345.

It is an arithmetic number, because the mean of its divisors is an integer number (925356).

Almost surely, 2^3238739 is an apocalyptic number.

3238739 is a deficient number, since it is larger than the sum of its proper divisors (462685).

3238739 is an equidigital number, since it uses as much as digits as its factorization.

3238739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462684.

The product of its digits is 27216, while the sum is 35.

The square root of 3238739 is about 1799.6496881338. The cubic root of 3238739 is about 147.9535250958.

The spelling of 3238739 in words is "three million, two hundred thirty-eight thousand, seven hundred thirty-nine".