3454405 has 8 divisors (see below), whose sum is σ = 4241952. Its totient is φ = 2699088.

The previous prime is 3454403. The next prime is 3454421. The reversal of 3454405 is 5044543.

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 3454405 - 2¹ = 3454403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3454405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3454403) 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, 7819 + ... + 8248.

It is an arithmetic number, because the mean of its divisors is an integer number (530244).

Almost surely, 2^3454405 is an apocalyptic number.

It is an amenable number.

3454405 is a deficient number, since it is larger than the sum of its proper divisors (787547).

3454405 is a wasteful number, since it uses less digits than its factorization.

3454405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16115.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 3454405 is about 1858.6029699750. The cubic root of 3454405 is about 151.1672634491.

Adding to 3454405 its reverse (5044543), we get a palindrome (8498948).

The spelling of 3454405 in words is "three million, four hundred fifty-four thousand, four hundred five".