3405557 has 8 divisors (see below), whose sum is σ = 3606240. Its totient is φ = 3210480.

The previous prime is 3405547. The next prime is 3405601. The reversal of 3405557 is 7555043.

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 3405557 - 2⁸ = 3405301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405527) 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, 119 + ... + 2612.

It is an arithmetic number, because the mean of its divisors is an integer number (450780).

Almost surely, 2^3405557 is an apocalyptic number.

It is an amenable number.

3405557 is a deficient number, since it is larger than the sum of its proper divisors (200683).

3405557 is a wasteful number, since it uses less digits than its factorization.

3405557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 3405557 is about 1845.4151294492. The cubic root of 3405557 is about 150.4513369009.

The spelling of 3405557 in words is "three million, four hundred five thousand, five hundred fifty-seven".