3405983 has 4 divisors (see below), whose sum is σ = 3892560. Its totient is φ = 2919408.

The previous prime is 3405979. The next prime is 3406003. The reversal of 3405983 is 3895043.

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 3405983 - 2² = 3405979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405943) 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, 243278 + ... + 243291.

It is an arithmetic number, because the mean of its divisors is an integer number (973140).

Almost surely, 2^3405983 is an apocalyptic number.

3405983 is a deficient number, since it is larger than the sum of its proper divisors (486577).

3405983 is an equidigital number, since it uses as much as digits as its factorization.

3405983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486576.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3405983 is about 1845.5305470244. The cubic root of 3405983 is about 150.4576099420.

The spelling of 3405983 in words is "three million, four hundred five thousand, nine hundred eighty-three".