3405407 has 8 divisors (see below), whose sum is σ = 3492720. Its totient is φ = 3319360.

The previous prime is 3405397. The next prime is 3405431. The reversal of 3405407 is 7045043.

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

It is a cyclic number.

It is not a de Polignac number, because 3405407 - 2¹⁰ = 3404383 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 (3405907) 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, 7157 + ... + 7617.

It is an arithmetic number, because the mean of its divisors is an integer number (436590).

Almost surely, 2^3405407 is an apocalyptic number.

3405407 is a deficient number, since it is larger than the sum of its proper divisors (87313).

3405407 is an equidigital number, since it uses as much as digits as its factorization.

3405407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 3405407 is about 1845.3744877395. The cubic root of 3405407 is about 150.4491279591.

The spelling of 3405407 in words is "three million, four hundred five thousand, four hundred seven".