3405993 has 8 divisors (see below), whose sum is σ = 4652256. Its totient is φ = 2215200.

The previous prime is 3405979. The next prime is 3406003. The reversal of 3405993 is 3995043.

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

It is not a de Polignac number, because 3405993 - 2⁶ = 3405929 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3405943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13723 + ... + 13968.

It is an arithmetic number, because the mean of its divisors is an integer number (581532).

Almost surely, 2^3405993 is an apocalyptic number.

It is an amenable number.

3405993 is a deficient number, since it is larger than the sum of its proper divisors (1246263).

3405993 is a wasteful number, since it uses less digits than its factorization.

3405993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27735.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 3405993 is about 1845.5332562704. The cubic root of 3405993 is about 150.4577571902.

The spelling of 3405993 in words is "three million, four hundred five thousand, nine hundred ninety-three".