3689223439 has 4 divisors (see below), whose sum is σ = 4024607400. Its totient is φ = 3353839480.

The previous prime is 3689223401. The next prime is 3689223457. The reversal of 3689223439 is 9343229863.

It is a happy number.

3689223439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9343229863 = 11 ⋅849384533.

It is a cyclic number.

It is not a de Polignac number, because 3689223439 - 2¹⁵ = 3689190671 is a prime.

It is a super-2 number, since 2×3689223439² = 27220739165733973442, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3689223392 and 3689223401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689223539) 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, 167691964 + ... + 167691985.

It is an arithmetic number, because the mean of its divisors is an integer number (1006151850).

Almost surely, 2^3689223439 is an apocalyptic number.

3689223439 is a deficient number, since it is larger than the sum of its proper divisors (335383961).

3689223439 is a wasteful number, since it uses less digits than its factorization.

3689223439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335383960.

The product of its digits is 1679616, while the sum is 49.

The square root of 3689223439 is about 60738.9779219242. The cubic root of 3689223439 is about 1545.1773013534.

The spelling of 3689223439 in words is "three billion, six hundred eighty-nine million, two hundred twenty-three thousand, four hundred thirty-nine".