3406643405 has 8 divisors (see below), whose sum is σ = 4459605984. Its totient is φ = 2477558800.

The previous prime is 3406643377. The next prime is 3406643417. The reversal of 3406643405 is 5043466043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3406643405 - 2¹⁶ = 3406577869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30969431 + ... + 30969540.

It is an arithmetic number, because the mean of its divisors is an integer number (557450748).

Almost surely, 2^3406643405 is an apocalyptic number.

It is an amenable number.

3406643405 is a deficient number, since it is larger than the sum of its proper divisors (1052962579).

3406643405 is a wasteful number, since it uses less digits than its factorization.

3406643405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61938987.

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 3406643405 is about 58366.4578760781. The cubic root of 3406643405 is about 1504.6733366805.

The spelling of 3406643405 in words is "three billion, four hundred six million, six hundred forty-three thousand, four hundred five".