3406706689 has 3 divisors (see below), whose sum is σ = 3406765057. Its totient is φ = 3406648322.

The previous prime is 3406706657. The next prime is 3406706713. The reversal of 3406706689 is 9866076043.

The square root of 3406706689 is 58367.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9866076043 = 89 ⋅110854787.

It is not a de Polignac number, because 3406706689 - 2⁵ = 3406706657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3406706609) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 29184 + ... + 87550.

Almost surely, 2^3406706689 is an apocalyptic number.

3406706689 is the 58367-th square number.

3406706689 is the 29184-th centered octagonal number.

It is an amenable number.

3406706689 is a deficient number, since it is larger than the sum of its proper divisors (58368).

3406706689 is an frugal number, since it uses more digits than its factorization.

3406706689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116734 (or 58367 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The cubic root of 3406706689 is about 1504.6826538828.

Multiplying 3406706689 by its sum of digits (49), we get a square (166928627761 = 408569²).

The spelling of 3406706689 in words is "three billion, four hundred six million, seven hundred six thousand, six hundred eighty-nine".