3405817 has 4 divisors (see below), whose sum is σ = 3553920. Its totient is φ = 3257716.

The previous prime is 3405803. The next prime is 3405823. The reversal of 3405817 is 7185043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3405817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74017 + ... + 74062.

It is an arithmetic number, because the mean of its divisors is an integer number (888480).

Almost surely, 2^3405817 is an apocalyptic number.

It is an amenable number.

3405817 is a deficient number, since it is larger than the sum of its proper divisors (148103).

3405817 is a wasteful number, since it uses less digits than its factorization.

3405817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148102.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3405817 is about 1845.4855729591. The cubic root of 3405817 is about 150.4551655798.

The spelling of 3405817 in words is "three million, four hundred five thousand, eight hundred seventeen".