3406389047 has 4 divisors (see below), whose sum is σ = 3433211136. Its totient is φ = 3379566960.

The previous prime is 3406389043. The next prime is 3406389073. The reversal of 3406389047 is 7409836043.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3406389047 - 2² = 3406389043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3406388989 and 3406389007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406389043) 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, 13410854 + ... + 13411107.

It is an arithmetic number, because the mean of its divisors is an integer number (858302784).

Almost surely, 2^3406389047 is an apocalyptic number.

3406389047 is a deficient number, since it is larger than the sum of its proper divisors (26822089).

3406389047 is a wasteful number, since it uses less digits than its factorization.

3406389047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26822088.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 3406389047 is about 58364.2788613035. The cubic root of 3406389047 is about 1504.6358867940.

The spelling of 3406389047 in words is "three billion, four hundred six million, three hundred eighty-nine thousand, forty-seven".