3608839 has 4 divisors (see below), whose sum is σ = 3886456. Its totient is φ = 3331224.

The previous prime is 3608837. The next prime is 3608849. The reversal of 3608839 is 9388063.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9388063 = 17 ⋅552239.

It is not a de Polignac number, because 3608839 - 2¹ = 3608837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3608798 and 3608807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3608837) 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, 138789 + ... + 138814.

It is an arithmetic number, because the mean of its divisors is an integer number (971614).

Almost surely, 2^3608839 is an apocalyptic number.

3608839 is a deficient number, since it is larger than the sum of its proper divisors (277617).

3608839 is a wasteful number, since it uses less digits than its factorization.

3608839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277616.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3608839 is about 1899.6944491154. The cubic root of 3608839 is about 153.3872174618.

The spelling of 3608839 in words is "three million, six hundred eight thousand, eight hundred thirty-nine".