3405673 has 4 divisors (see below), whose sum is σ = 3523140. Its totient is φ = 3288208.

The previous prime is 3405671. The next prime is 3405697. The reversal of 3405673 is 3765043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3765043 = 31 ⋅121453.

It can be written as a sum of positive squares in 2 ways, for example, as 2679769 + 725904 = 1637^2 + 852^2 .

It is a cyclic number.

It is not a de Polignac number, because 3405673 - 2¹ = 3405671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405671) 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, 58690 + ... + 58747.

It is an arithmetic number, because the mean of its divisors is an integer number (880785).

Almost surely, 2^3405673 is an apocalyptic number.

It is an amenable number.

3405673 is a deficient number, since it is larger than the sum of its proper divisors (117467).

3405673 is a wasteful number, since it uses less digits than its factorization.

3405673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117466.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 3405673 is about 1845.4465584243. The cubic root of 3405673 is about 150.4530451048.

The spelling of 3405673 in words is "three million, four hundred five thousand, six hundred seventy-three".