3452405 has 16 divisors (see below), whose sum is σ = 4632768. Its totient is φ = 2448000.

The previous prime is 3452387. The next prime is 3452413. The reversal of 3452405 is 5042543.

It is not a de Polignac number, because 3452405 - 2¹² = 3448309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1490 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (289548).

Almost surely, 2^3452405 is an apocalyptic number.

It is an amenable number.

3452405 is a deficient number, since it is larger than the sum of its proper divisors (1180363).

3452405 is a wasteful number, since it uses less digits than its factorization.

3452405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3452405 is about 1858.0648535506. The cubic root of 3452405 is about 151.1380840011.

Adding to 3452405 its reverse (5042543), we get a palindrome (8494948).

The spelling of 3452405 in words is "three million, four hundred fifty-two thousand, four hundred five".