3409385 has 16 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 2256576.

The previous prime is 3409369. The next prime is 3409387. The reversal of 3409385 is 5839043.

It is not a de Polignac number, because 3409385 - 2⁴ = 3409369 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3409387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^3409385 is an apocalyptic number.

3409385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3409385 is a deficient number, since it is larger than the sum of its proper divisors (1429015).

3409385 is a wasteful number, since it uses less digits than its factorization.

3409385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400.

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

The square root of 3409385 is about 1846.4520031672. The cubic root of 3409385 is about 150.5076871605.

The spelling of 3409385 in words is "three million, four hundred nine thousand, three hundred eighty-five".