3405207 has 8 divisors (see below), whose sum is σ = 4889584. Its totient is φ = 2095488.

The previous prime is 3405191. The next prime is 3405217. The reversal of 3405207 is 7025043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3405207 - 2⁴ = 3405191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43618 + ... + 43695.

It is an arithmetic number, because the mean of its divisors is an integer number (611198).

Almost surely, 2^3405207 is an apocalyptic number.

3405207 is a deficient number, since it is larger than the sum of its proper divisors (1484377).

3405207 is a wasteful number, since it uses less digits than its factorization.

3405207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87329.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3405207 is about 1845.3202974010. The cubic root of 3405207 is about 150.4461826024.

The spelling of 3405207 in words is "three million, four hundred five thousand, two hundred seven".