3405635 has 4 divisors (see below), whose sum is σ = 4086768. Its totient is φ = 2724504.

The previous prime is 3405613. The next prime is 3405637. The reversal of 3405635 is 5365043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5365043 = 149 ⋅36007.

It is a cyclic number.

It is not a de Polignac number, because 3405635 - 2¹⁴ = 3389251 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405637) 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, 340559 + ... + 340568.

It is an arithmetic number, because the mean of its divisors is an integer number (1021692).

Almost surely, 2^3405635 is an apocalyptic number.

3405635 is a deficient number, since it is larger than the sum of its proper divisors (681133).

3405635 is an equidigital number, since it uses as much as digits as its factorization.

3405635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681132.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3405635 is about 1845.4362627845. The cubic root of 3405635 is about 150.4524855250.

The spelling of 3405635 in words is "three million, four hundred five thousand, six hundred thirty-five".